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A heat burst is a rare meteorological phenomenon where a sudden, localized increase in temperature occurs, often accompanied by strong, gusty winds and a rapid drop in humidity. It typically happens at night or in the early morning when a dying thunderstorm's downdraft collapses, forcing warm, dry air from aloft to rush downward to the surface. This compresses the air, causing it to heat up significantly—sometimes by 10-20°F (5-10°C) or more in minutes.
Between 8:38PM and 9:38PM (the last 10 secs of this clip), the temperature rose from 68.9F to 77.5F and the relative humidity fell from 42% to 24% as gusty winds dominated. The strong rain shafts forming is when this weather event occurred.
Austrian Airlines
Moon crossing while establishing the localizer for runway 27R at Heathrow Airport as Austrian 4D (OS455) from Vienna International Airport (VIE/LOWW)
26-01-2024
We watched this storm cloud build and work the upper valley. It was quite beautiful and dramatic. Snow squalls raced over the ridges and fell into the valley floor.... Wonderful crazy weather. Methow Valley, Wa
Rally: Rajd Śląska 2023
Competition: Rajdowe Mistrzostwa Południa (RMP), Rajdowe Samochodowe Mistrzostwa Śląska (RSMŚL)
Date: 10.09.2023
Localization: Poland, Ochaby Wielkie
Stage: Ochaby (SS 9)
Driver: Wojciech Najgrodzki
Co-driver: Jakub Najgrodzki
Car: Renault Clio II Sport
Class: A1
No: 223
Final position: 14
Waze en català
Per a Android, Iphone i Blackberry de la xarxa de conductors per compartir informacions i rutes.
Baixa-la: waze.com
Copyright Susan Ogden
Today was day 3 of periodic storms...it was so pleasant most of the day that i got a call from my dear friends Butch and Joyce to go out to lunch and then walk the beach to look for sea glass. We had a beautiful afternoon sea glass searching and walking. At about 3:30 we went our separate ways. I decided to stop at a beach a little closer to my house because the clouds were so pretty and i thought....just a few more pictures!!
I suppose i should pay more attention to what is on the other side of the dunes instead of the ocean! This storm approached and was heading to the north east so i stayed to watch and hopefully get some nice storm shots. Suffice it to say i was so enthralled with THIS view that i did not watch what was approaching behind me! i got caught in the backside of the storm and had to duck under someone’s oceanfront house to wait it out and stay as dry as i could...along with Mark the Third (who is water resistant ...but it is the lens that is not!) I managed to get some nice shots of the storm and fortunately it passed quickly allowing me to get to the car and get home....where within an hour we had round two of stormy weather....it was bright and sunny over the sound and to the south east...but looking out off my front deck the sky was dark and ominous and it was thundering with little flashes of lightning....and over the ocean to the east was a huge, vibrant rainbow!!
I have a new found love! Photographing storms!!
Instead, this sunset was brought to you by US-151 southbound somewhere near Cascade or Monticello, IA, I think. The localized rain illuminated by the last rays of light, which had just been blocked by the clouds and hills prior to rolling into town made this a no-brainer shot out the car window. Taken on 6/7/24.
Uncommon and occurring only in isolated localized populations. My first sighting of this species.
The Eyed Brown may be confused with Appalachian Brown, but the habitat is different.
While the Applachian Brown is usually encountered in the shade of shrubby and forested wetlands, the Eyed Brown has a sunny disposition. It flies in open sedge meadows and may also be found in Cattail marshes and near slow-moving streams, but not in dry meadows.
The larval host plant are various native sedges.
NS local C42 works the yard in Lewiston, passing by the JVRR 2106 engine painted in original PRR colors
Milky Way
Date: 24.08.2022
Localization: Poland, near Buczek, in the middle of the forest
Description: This is my first try to do some astrophoto. I hope next one would be better :D
Localized to Central America, this small flycatcher is a classic empid with a prominent eyering and yellowish tones. Seen on a non-birding trip. El Silencio Lodge & Spa. Bajos del Toro. CR.
Photo was taken South of Tucson during the Arizona monsoon period.
There was an intense localized downpour of rain while the sun rays were coming through the other part of the clouds.
While localized smoke from a nearby (enough) fire hangs low over the slough, a trio of GPs work another stored set of grain hoppers out of inactivity on the forlorn Grenora Sub.
Maianthemum bifolium (Asparagaceae) 143 20
Maianthemum bifolium (false lily of the valley or May lily) is often a localized common rhizomatous flowering plant, native from western Europe to the east to Siberia, China, and Japan.
Non-flowering stems usually have only one waxy leaf, but on flowering plants there is one basal leaf that withers away before flowering, and two stem leaves produced alternately up the 10–20 cm tall stems, which are topped off with many star-shaped white flowers. The leaves are heart to triangular with small fine hairs on the veins. The flowers have four tepals, four stamens, and have two chambers in the pistil; flowering is in mid-spring to early summer. This species is found in the wild growing in open forests and on damp soils in grassy ditches and thickets.
From Wikipedia.
Impressive hummingbird found in stunted cloud forest along the east slope of the Andes in southeastern Ecuador and northern Peru. Adult male is entirely dark blue and has a moderately long tail. Immature male has some green mixed into the blue plumage, and may have a buffy collar. Female is mostly green with a buffy or whitish collar, belly, and throat. Her tail is blue and shorter than male’s. This species is very localized, and prefers shorter forest and scrub near ridgelines.
This was one of the target species at this location...
This one was photographed in Northern Peru led by Neotropic Photo Tours and our Peruvian guide Steve Sánchez Wildlife Photography.
PHOTOGRAPHER: SARA BERNUY - VANDER creative management
Make up: Sheila Serrano
Styling: Marc Piña Sala (VOLITIF creative management)
Model: Kairit K. for Francina international
Localization: Sara Bernuy
Designers:Alexander McQueen
White tailed Sea Eagle - Haliaeetus albicilla
While found across a very wide range, today breeding as far west as Greenland and Iceland across to as far east in Hokkaido, Japan, they are often scarce and very spottily distributed as a nesting species, mainly due to human activities. These have included habitat alterations and destruction of wetlands, about a hundred years of systematic persecution by humans (from the early 1800s to around World War II) followed by inadvertent poisonings and epidemics of nesting failures due to various manmade chemical pesticides and organic compounds, which have threatened eagles since roughly the 1950s and continue to be a potential concern. Due to this, the white-tailed eagle was considered endangered or extinct in several countries. However, some populations have recovered well due to some governmental protections and dedicated conservationists and naturalists protecting habitats and nesting sites and partially regulating poaching and pesticide usage, as well as careful reintroductions into parts of their former range. White-tailed eagles usually live most of the year near large bodies of open water, including both coastal saltwater areas and inland freshwater, and require an abundant food supply and old-growth trees or ample sea cliffs for nesting. They are considered a close cousin of the bald eagle (Haliaeetus leucocephalus), which occupies a similar niche in North America.
White-tailed eagles are of all ages typically perch in quite upright positions on exposed branch, rock or other vantage point, but tend to sit more horizontally on the ground or other level surfaces. They have an ample bill with a relatively high culmen, helping impart a relatively narrow and high crowned facial look, especially compared to Aquila eagles.
This eagle breeds in northern Europe and northern Asia. Their European range extends to as far west as southeastern Greenland, northern and eastern Iceland, and the reintroduced populations in some areas of Ireland and Scotland, particularly conserved coastal spots. In mainland Europe, often isolated outposts remain in coastal and western Norway (broadly), northern and southwestern Finland, eastern Sweden, southern Denmark (and some spots in the north),
islands of the Baltic Sea, western Austria, northeastern Germany, northern and eastern Poland, the Czech Republic, much of the east Baltic countries, the non-montane areas of the Ukraine, eastern Slovenia, central and southern Hungary (and adjacent northeastern Croatia),
White-tailed eagles may be found in varied habitat but usually are closely associated with water and generally occurs in lowland areas. Although mainly a lowland species, the species is known to live at elevations of 1,500 to 2,300 m (4,900 to 7,500 ft) so long as there is water access in some parts of Central Asia and Siberia. In coastal areas, the species may range from high sea cliffs down to low-lying islands and archipelagos. Especially in winter, many white-tailed eagles often frequent low coastal spots, estuaries and coastal marshes. Several studies have supported that coastal areas are preferred when available during winter. In many areas, white-tailed eagles can seem to switch freely between usually cliff habitat and wooded spots for nesting sites and the center of their home range habitat.
White-tailed eagles spend much of their day perched on trees or crags, and may often not move for hours. Perhaps up to 90% of a day may spend perched, especially if weather is poor. Also, they will alternate periods of soaring with perching, especially flying over water or well-watered areas, but do considerably less soaring on average than do golden eagles. Pairs regularly roost together, often near to their nest, either on a crag or tree or crevices, overhung ledges or small isolated trees on a crag.
Many studies have reflected that the primary foods of white-tailed eagles are fish and water birds.
In Britain, the opinion towards white-tailed eagles became negative in sync with the creation of farmland and commercial fishing, as it was quickly perceived that they were competitors for resources and could deplete the livelihood of flocks for shepherds (despite this being largely untrue) and game animals for gamekeepers. Therefore, laws were passed to facilitate their destruction. Already by the end of the 18th century, down from breeding in all appropriate habitat, the English population was down to only localized breeding, namely in the Isle of Wight, Lundy, Isle of Man and (probably) near Plymouth; within a couple decades the species only remained in the Lake District. Before the advent of firearms, few people in England and Scotland were highly motivated to kill eagles since this could be time-consuming and hazardous process, therefore the British government rose the bounty on eagles to a very high 5 shillings a head by the turn of the 18th century. Unfortunately, eyries in many coastal sites were found to be easily accessible so that destroying or selling eggs was common. Subsequent to systematic persecution, in Greenland 62% of eyries found to be "easily accessible" and only 13% foiled all attempts to reach them. Similar findings were found in sea cliff nests in Iceland, Norway and Scotland. White-tailed eagles are more vulnerable to direct persecution than golden eagles since most nests are highly accessible for white-tailed eagle but not for golden eagles which usually nest in mountainous, precipitously rocky terrain, in contrast to sea cliff nests of which 67-87% were found to be accessible. Before firearms were widely available in Scotland and Norway automatic traps were utilized wherein carrion was laid out to entice an eagle with a person hiding in a near subterranean trap waited until the eagle was distracted, at that point grabbing the eagle by the leg. Petrified by the darkness once drug below, white-tailed eagles apparently offer no resistance once caught. However, habitat had to be favorable and even when conditions were correct, success at capture as such was low. The main driver of declines before firearms and industrialized poisons was habitat alterations. After about the 1840s, firearms became available and declines accelerated considerably, by 1916 the last nesting pair in all of Britain attempted to raise a brood on the isle of Skye. While other ecological factors have been considered in this decline, stringent research has shown the extirpation here was fully correlated to intentional, rapacious predation by man. Many gamekeepers poisoned and shot eagles and destroyed nearly any nest they encountered. A few more enlightened landowners forbade the killing of eagles but there's evidence that the gamekeepers sometimes chose to destroy eagles regardless of the rule of law. On deer forest, eagles were tolerated later than in other British areas, but destructions accelerated there by the late 1800s. Also many white-tailed eagles were poisoned by shepherds who considered it enemy of the flock. Elsewhere in Europe, persecution rates in the 19th and 20th century were just as drastic. In Romania, more than 400 white-tailed eagles were killed in 2 decades by a single hunter. In Norway between 1959 and 1968, an average of 169 eagles were killed annually; with a maximum of 221 in 1961. Around the year 1860, an author estimated that about 400 were being killed annually throughout Germany. Between 1946 and 1972 in eastern Germany, a total of 194 dead white-tailed eagles were found, about half of them shot, after governmental protection of the species had been instituted there.
The first attempts at reintroduction in Scotland were in 1959 in Glen Etive, Argyll abortively and then a better informed but also ultimately unsuccessful attempt on Fair Isle in 1968. The isle of Rùm in the inner Hebrides was chosen for the first Scottish reintroduction because of its large size (10,600 ha (26,000 acres)) with access to the isle of Skye (where last native pair known in Britain last bred in 1916) and it is only 24 km (15 mi) from the mainland. Also Rùm hosts large seabird colonies that make for viable prey, including eider, shag (Phalacrocorax aristotelis), auks and gulls; as well as one of the few in Britain of manx shearwater (Puffinus puffinus). Furthermore, mainly as a source of carrion, were a population of around 1500 red deer and 200 feral goats; otters and gulls were also numerous and available to kleptoparasitize. The birds to be used for reintroduction were gathered as nestlings from western Norway, as this is the nearest native breeding population. The young eagles were either kept in high grade fowl cages or tethered all within reach of an artificial eyrie, cover and feeding stations. Direct human contact, which the naturally wild young eagles tended to shun anyway, is minimal short of veterinary care. Releases were carried by taking bird out tethered, wearing a leather hood to prevent imprinting and then releasing with a radio-monitor. Most of the eagles, despite no direct parenting, turned out to be competent hunters within a couple of weeks or do well at stealing meals, including from other released eagles. Despite some dying before release due to illness and some found dead subsequent to release, most survived. A total of 95 birds were received for the Rùm reintroductions and 82 were successfully released between 1975 and 1987. The white-tailed eagle now breeds throughout the Western Isles and the mainland coast of Wester Ross. However, a low reproductive output of reintroduced Scottish eagles was recorded in 1996, and it was advocated that additional releases were needed. In August 2008, an additional fifteen chicks raised in Norway were released at a secret location in Fife, in expectation of reintroducing the species to the east coast of Scotland as well. Breeding success of reintroduced birds in Scotland (from 1975-1985 & 1993-1998) is moderate compared overall in species, in 1982-1992: productivity was 0.38, with a mean fledgling number 1.61. In comparison, for the years 1993-2000, productivity was 0.61 and fledgling number was 1.48, while in 2000-2007, productivity was 0.7 and mean fledgling number 1.44. Overall in Britain, there are estimated 36 breeding pairs in 2006 and 40 in 2008. Juvenile survival rates are somewhat low overall compared to other areas. Reintroduction efforts succeeded in the Bohemia area of the Czech Republic as well, where the biologists similarly followed the guidelines of guarding of occupied eyries and provision of safe foods.
The white-tailed eagle is also being reintroduced to Ireland, where its Irish name of Iolar Mara (sea eagle) reflects its historic association with the island's long coast. The Irish program was begun in the summer of 2007. Fifteen to twenty young eagles from Norway are being released each spring into the Killarney National Park in the south-west of Ireland. This comprehensive project will last a number of years, with many more eagles being released.
Densities of white-tailed eagles have greatly increased in some parts of the range due to conservation efforts. Some threats still remain, notably illegal persecution by gamebird shooting and egg thieves in Scotland.
Rally: Rajd Śląska 2023
Competition: FIA European Rally Trophy (ERT), FIA Central European Zone Rally Championship (CEZ), Rajdowe Samochodowe Mistrzostwa Polski (RSMP)
Date: 10.09.2023
Localization: Poland, Ochaby Wielkie
Stage: Ochaby (SS 9)
Driver: Aleksander Terlecki
Co-driver: Michał Marczewski
Car: Skoda Fabia Rally2 Evo
Class: RC2 (ERT), CEZ1 (CEZ), 2 (RSMP)
No: 7
Final position: 7
Jefferson National Forest, Virginia. Some artistic touches added to work around the harsh and strong contrasts. A long 71sec exposure made sure the water was super smooth, like a fluffy carpet. I used a 10-stop ND filter, 100mmx100mm setup from NISI and this setup gives very little white balance shift. Processing was done in Adobe Lightroom, NIK Color Efex Pro4, a mystical filter from Luminar 4 and Photoshop for localized color balance shifts to get the tonality I was going for in this artistic view of the forest..
Following, a text, in english, from Wikipedia the free encyclopedia:
Great Egret
For the similar Australasian species, see Eastern Great Egret.
The Great Egret (Ardea alba), also known as the Great White Egret or Common Egret or (now not in use) Great White Heron,[1][2] is a large, widely-distributed egret. Distributed across most of the tropical and warmer temperate regions of the world, in southern Europe it is rather localized. In North America it is more widely distributed, and it is ubiquitous across the Sun Belt of the United States and in the rainforests of South America. It is sometimes confused with the Great White Heron in Florida, which is a white morph of the closely related Great Blue Heron (A. herodias). Note, however, that the name Great White Heron has occasionally been used to refer to the Great Egret.
Description:
The Great Egret is a large bird with all-white plumage that can reach one meter in height, weigh up to 950 grams (2.1 lb) and a wingspan of 165 to 215 cm. It is thus only slightly smaller than the Great Blue or Grey Heron (A. cinerea). Apart from size, the Great Egret can be distinguished from other white egrets by its yellow bill and black legs and feet, though the bill may become darker and the lower legs lighter in the breeding season. In breeding plumage, delicate ornamental feathers are borne on the back. Males and females are identical in appearance; juveniles look like non-breeding adults. It is a common species, usually easily seen. It has a slow flight, with its neck retracted. This is characteristic of herons and bitterns, and distinguishes them from storks, cranes, ibises, and spoonbills, which extend their necks in flight.
The Great Egret is not normally a vocal bird; at breeding colonies, however, it often gives a loud croaking cuk cuk cuk.
Systematics and taxonomy:
Like all egrets, it is a member of the heron family, Ardeidae. Traditionally classified with the storks in the Ciconiiformes, the Ardeidae are closer relatives of pelicans and belong in the Pelecaniformes instead. The Great Egret—unlike the typical egrets—does not belong to the genus Egretta but together with the great herons is today placed in Ardea. In the past, however, it was sometimes placed in Egretta or separated in a monotypic genus Casmerodius.
Subspecies
There were four subspecies in various parts of the world, which differ but little. Differences are bare part coloration in the breeding season and size; the largest A. a. modesta from Asia and Australasia is now considered a full species, the Eastern Great Egret (Ardea modesta). The remaining three subspecies are:
Ardea alba alba (Europe)
Ardea alba egretta (Americas)
Ardea alba melanorhynchos (Africa)
Ecology and status:
The Great Egret is partially migratory, with northern hemisphere birds moving south from areas with colder winters. It breeds in colonies in trees close to large lakes with reed beds or other extensive wetlands. It builds a bulky stick nest.
The Great Egret is generally a very successful species with a large and expanding range. In North America, large numbers of Great Egrets were killed around the end of the 19th century so that their plumes could be used to decorate hats. Numbers have since recovered as a result of conservation measures. Its range has expanded as far north as southern Canada. However, in some parts of the southern United States, its numbers have declined due to habitat loss. Nevertheless, it adapts well to human habitation and can be readily seen near wetlands and bodies of water in urban and suburban areas. In 1953 the Great Egret in flight was chosen as the symbol of the National Audubon Society, which was formed in part to prevent the killing of birds for their feathers.[3][4]
The Great Egret is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
Diet:
The Great Egret feeds in shallow water or drier habitats, feeding mainly on fish, frogs, small mammals, and occasionally small birds and reptiles, spearing them with its long, sharp bill most of the time by standing still and allowing the prey to come within its striking distance of its bill which it uses as a spear. It will often wait motionless for prey, or slowly stalk its victim.
Though it might appear that they feed on the parasites of African buffaloes, they actually feed on leafhoppers, grasshoppers and other insects which are stirred open as buffaloes move about in water.
In culture:
The Great Egret is depicted on the reverse side of a 5-Brazilian reais banknote.
"White Egrets" is the title of Saint Lucian Poet Derek Walcott's fourteenth collection of poems.
A seguir, texto em português da Wikipédia, a enciclopédia livre:
Garça-branca-grande
A garça-branca-grande (Casmerodius albus, sin. Ardea alba), também conhecida apenas como garça-branca, é uma ave da ordem Ciconiiformes. É uma garça de vasta distribuição e pode ser encontrada em todo o Brasil.
Dieta:
Se alimenta de presas aquáticas, depois de aproximar-se sorrateiramente com o corpo abaixado e o pescoço recolhido e bicar seu alimento, esticando seu longo pescoço.
Taxonomia:
Subespécies
C. a. modesta - Ásia e Australasia
C. a. alba - Europa
C. a. egretta - América do Norte
C. a. melanorhynchos - África
Ipê Amarelo, Tabebuia [chrysotricha or ochracea].
Ipê-amarelo em Brasília, Brasil.
This tree is in Brasília, Capital of Brazil.
Text, in english, from Wikipedia, the free encyclopedia
"Trumpet tree" redirects here. This term is occasionally used for the Shield-leaved Pumpwood (Cecropia peltata).
Tabebuia
Flowering Araguaney or ipê-amarelo (Tabebuia chrysantha) in central Brazil
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Bignoniaceae
Tribe: Tecomeae
Genus: Tabebuia
Gomez
Species
Nearly 100.
Tabebuia is a neotropical genus of about 100 species in the tribe Tecomeae of the family Bignoniaceae. The species range from northern Mexico and the Antilles south to northern Argentina and central Venezuela, including the Caribbean islands of Hispaniola (Dominican Republic and Haiti) and Cuba. Well-known common names include Ipê, Poui, trumpet trees and pau d'arco.
They are large shrubs and trees growing to 5 to 50 m (16 to 160 ft.) tall depending on the species; many species are dry-season deciduous but some are evergreen. The leaves are opposite pairs, complex or palmately compound with 3–7 leaflets.
Tabebuia is a notable flowering tree. The flowers are 3 to 11 cm (1 to 4 in.) wide and are produced in dense clusters. They present a cupular calyx campanulate to tubular, truncate, bilabiate or 5-lobed. Corolla colors vary between species ranging from white, light pink, yellow, lavender, magenta, or red. The outside texture of the flower tube is either glabrous or pubescentThe fruit is a dehiscent pod, 10 to 50 cm (4 to 20 in.) long, containing numerous—in some species winged—seeds. These pods often remain on the tree through dry season until the beginning of the rainy.
Species in this genus are important as timber trees. The wood is used for furniture, decking, and other outdoor uses. It is increasingly popular as a decking material due to its insect resistance and durability. By 2007, FSC-certified ipê wood had become readily available on the market, although certificates are occasionally forged.
Tabebuia is widely used as ornamental tree in the tropics in landscaping gardens, public squares, and boulevards due to its impressive and colorful flowering. Many flowers appear on still leafless stems at the end of the dry season, making the floral display more conspicuous. They are useful as honey plants for bees, and are popular with certain hummingbirds. Naturalist Madhaviah Krishnan on the other hand once famously took offense at ipé grown in India, where it is not native.
Lapacho teaThe bark of several species has medical properties. The bark is dried, shredded, and then boiled making a bitter or sour-tasting brownish-colored tea. Tea from the inner bark of Pink Ipê (T. impetiginosa) is known as Lapacho or Taheebo. Its main active principles are lapachol, quercetin, and other flavonoids. It is also available in pill form. The herbal remedy is typically used during flu and cold season and for easing smoker's cough. It apparently works as expectorant, by promoting the lungs to cough up and free deeply embedded mucus and contaminants. However, lapachol is rather toxic and therefore a more topical use e.g. as antibiotic or pesticide may be advisable. Other species with significant folk medical use are T. alba and Yellow Lapacho (T. serratifolia)
Tabebuia heteropoda, T. incana, and other species are occasionally used as an additive to the entheogenic drink Ayahuasca.
Mycosphaerella tabebuiae, a plant pathogenic sac fungus, was first discovered on an ipê tree.
Tabebuia alba
Tabebuia anafensis
Tabebuia arimaoensis
Tabebuia aurea – Caribbean Trumpet Tree
Tabebuia bilbergii
Tabebuia bibracteolata
Tabebuia cassinoides
Tabebuia chrysantha – Araguaney, Yellow Ipê, tajibo (Bolivia), ipê-amarelo (Brazil), cañaguate (N Colombia)
Tabebuia chrysotricha – Golden Trumpet Tree
Tabebuia donnell-smithii Rose – Gold Tree, "Prima Vera", Cortez blanco (El Salvador), San Juan (Honduras), palo blanco (Guatemala),duranga (Mexico)
A native of Mexico and Central Americas, considered one of the most colorful of all Central American trees. The leaves are deciduous. Masses of golden-yellow flowers cover the crown after the leaves are shed.
Tabebuia dubia
Tabebuia ecuadorensis
Tabebuia elongata
Tabebuia furfuracea
Tabebuia geminiflora Rizz. & Mattos
Tabebuia guayacan (Seem.) Hemsl.
Tabebuia haemantha
Tabebuia heptaphylla (Vell.) Toledo – tajy
Tabebuia heterophylla – roble prieto
Tabebuia heteropoda
Tabebuia hypoleuca
Tabebuia impetiginosa – Pink Ipê, Pink Lapacho, ipê-cavatã, ipê-comum, ipê-reto, ipê-rosa, ipê-roxo-damata, pau d'arco-roxo, peúva, piúva (Brazil), lapacho negro (Spanish); not "brazilwood"
Tabebuia incana
Tabebuia jackiana
Tabebuia lapacho – lapacho amarillo
Tabebuia orinocensis A.H. Gentry[verification needed]
Tabebuia ochracea
Tabebuia oligolepis
Tabebuia pallida – Cuban Pink Trumpet Tree
Tabebuia platyantha
Tabebuia polymorpha
Tabebuia rosea (Bertol.) DC.[verification needed] (= T. pentaphylla (L.) Hemsley) – Pink Poui, Pink Tecoma, apama, apamate, matilisguate
A popular street tree in tropical cities because of its multi-annular masses of light pink to purple flowers and modest size. The roots are not especially destructive for roads and sidewalks. It is the national tree of El Salvador and the state tree of Cojedes, Venezuela
Tabebuia roseo-alba – White Ipê, ipê-branco (Brazil), lapacho blanco
Tabebuia serratifolia – Yellow Lapacho, Yellow Poui, ipê-roxo (Brazil)
Tabebuia shaferi
Tabebuia striata
Tabebuia subtilis Sprague & Sandwith
Tabebuia umbellata
Tabebuia vellosoi Toledo
Ipê-do-cerrado
Texto, em português, da Wikipédia, a enciclopédia livre.
Ipê-do-cerrado
Classificação científica
Reino: Plantae
Divisão: Magnoliophyta
Classe: Magnoliopsida
Subclasse: Asteridae
Ordem: Lamiales
Família: Bignoniaceae
Género: Tabebuia
Espécie: T. ochracea
Nome binomial
Tabebuia ochracea
(Cham.) Standl. 1832
Sinónimos
Bignonia tomentosa Pav. ex DC.
Handroanthus ochraceus (Cham.) Mattos
Tabebuia chrysantha (Jacq.) G. Nicholson
Tabebuia hypodictyon A. DC.) Standl.
Tabebuia neochrysantha A.H. Gentry
Tabebuia ochracea subsp. heteropoda (A. DC.) A.H. Gentry
Tabebuia ochracea subsp. neochrysantha (A.H. Gentry) A.H. Gentry
Tecoma campinae Kraenzl.
ecoma grandiceps Kraenzl.
Tecoma hassleri Sprague
Tecoma hemmendorffiana Kraenzl.
Tecoma heteropoda A. DC.
Tecoma hypodictyon A. DC.
Tecoma ochracea Cham.
Ipê-do-cerrado é um dos nomes populares da Tabebuia ochracea (Cham.) Standl. 1832, nativa do cerrado brasileiro, no estados de Amazonas, Pará, Maranhão, Piauí, Ceará, Pernambuco, Bahia, Espírito Santo, Goiás, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Rio de Janeiro, São Paulo e Paraná.
Está na lista de espécies ameaçadas do estado de São Paulo, onde é encontrda também no domínio da Mata Atlântica[1].
Ocorre também na Argentina, Paraguai, Bolívia, Equador, Peru, Venezuela, Guiana, El Salvador, Guatemala e Panamá[2].
Há uma espécie homônima descrita por A.H. Gentry em 1992.
Outros nomes populares: ipê-amarelo, ipê-cascudo, ipê-do-campo, ipê-pardo, pau-d'arco-do-campo, piúva, tarumã.
Características
Altura de 6 a 14 m. Tronco tortuso com até 50 cm de diâmetro. Folhas pilosas em ambas as faces, mais na inferior, que é mais clara.
Planta decídua, heliófita, xerófita, nativa do cerrado em solos bem drenados.
Floresce de julho a setembro. Os frutos amadurecem de setembro a outubro.
FloresProduz grande quantidade de sementes leves, aladas com pequenas reservas, e que perdem a viabilidade em menos de 90 dias após coleta. A sua conservação vem sendo estudada em termos de determinação da condição ideal de armazenamento, e tem demonstrado a importância de se conhecer o comportamento da espécie quando armazenada com diferentes teores de umidade inicial, e a umidade de equilíbrio crítica para a espécie (KANO; MÁRQUEZ & KAGEYAMA, 1978). As levíssimas sementes aladas da espécie não necessitam de quebra de dormência. Podem apenas ser expostas ao sol por cerca de 6 horas e semeadas diretamente nos saquinhos. A germinação ocorre após 30 dias e de 80%. As sementes são ortodoxas e há aproximadamente 72 000 sementes em cada quilo.
O desenvolvimento da planta é rápido.
Como outros ipês, a madeira é usada em tacos, assoalhos, e em dormentes e postes. Presta-se também para peças torneadas e instrumento musicais.
Tabebuia alba (Ipê-Amarelo)
Texto, em português, produzido pela Acadêmica Giovana Beatriz Theodoro Marto
Supervisão e orientação do Prof. Luiz Ernesto George Barrichelo e do Eng. Paulo Henrique Müller
Atualizado em 10/07/2006
O ipê amarelo é a árvore brasileira mais conhecida, a mais cultivada e, sem dúvida nenhuma, a mais bela. É na verdade um complexo de nove ou dez espécies com características mais ou menos semelhantes, com flores brancas, amarelas ou roxas. Não há região do país onde não exista pelo menos uma espécie dele, porém a existência do ipê em habitat natural nos dias atuais é rara entre a maioria das espécies (LORENZI,2000).
A espécie Tabebuia alba, nativa do Brasil, é uma das espécies do gênero Tabebuia que possui “Ipê Amarelo” como nome popular. O nome alba provém de albus (branco em latim) e é devido ao tomento branco dos ramos e folhas novas.
As árvores desta espécie proporcionam um belo espetáculo com sua bela floração na arborização de ruas em algumas cidades brasileiras. São lindas árvores que embelezam e promovem um colorido no final do inverno. Existe uma crença popular de que quando o ipê-amarelo floresce não vão ocorrer mais geadas. Infelizmente, a espécie é considerada vulnerável quanto à ameaça de extinção.
A Tabebuia alba, natural do semi-árido alagoano está adaptada a todas as regiões fisiográficas, levando o governo, por meio do Decreto nº 6239, a transformar a espécie como a árvore símbolo do estado, estando, pois sob a sua tutela, não mais podendo ser suprimida de seus habitats naturais.
Taxonomia
Família: Bignoniaceae
Espécie: Tabebuia Alba (Chamiso) Sandwith
Sinonímia botânica: Handroanthus albus (Chamiso) Mattos; Tecoma alba Chamisso
Outros nomes vulgares: ipê-amarelo, ipê, aipê, ipê-branco, ipê-mamono, ipê-mandioca, ipê-ouro, ipê-pardo, ipê-vacariano, ipê-tabaco, ipê-do-cerrado, ipê-dourado, ipê-da-serra, ipezeiro, pau-d’arco-amarelo, taipoca.
Aspectos Ecológicos
O ipê-amarelo é uma espécie heliófita (Planta adaptada ao crescimento em ambiente aberto ou exposto à luz direta) e decídua (que perde as folhas em determinada época do ano). Pertence ao grupo das espécies secundárias iniciais (DURIGAN & NOGUEIRA, 1990).
Abrange a Floresta Pluvial da Mata Atlântica e da Floresta Latifoliada Semidecídua, ocorrendo principalmente no interior da Floresta Primária Densa. É característica de sub-bosques dos pinhais, onde há regeneração regular.
Informações Botânicas
Morfologia
As árvores de Tabebuia alba possuem cerca de 30 metros de altura. O tronco é reto ou levemente tortuoso, com fuste de 5 a 8 m de altura. A casca externa é grisáceo-grossa, possuindo fissuras longitudinais esparas e profundas. A coloração desta é cinza-rosa intenso, com camadas fibrosas, muito resistentes e finas, porém bem distintas.
Com ramos grossos, tortuosos e compridos, o ipê-amarelo possui copa alongada e alargada na base. As raízes de sustentação e absorção são vigorosas e profundas.
As folhas, deciduais, são opostas, digitadas e compostas. A face superior destas folhas é verde-escura, e, a face inferior, acinzentada, sendo ambas as faces tomentosas. Os pecíolos das folhas medem de 2,5 a 10 cm de comprimento. Os folíolos, geralmente, apresentam-se em número de 5 a 7, possuindo de 7 a 18 cm de comprimento por 2 a 6 cm de largura. Quando jovem estes folíolos são densamente pilosos em ambas as faces. O ápice destes é pontiagudo, com base arredondada e margem serreada.
As flores, grandes e lanceoladas, são de coloração amarelo-ouro. Possuem em média 8X15 cm.
Quanto aos frutos, estes possuem forma de cápsula bivalvar e são secos e deiscentes. Do tipo síliqua, lembram uma vagem. Medem de 15 a 30 cm de comprimento por 1,5 a 2,5 cm de largura. As valvas são finamente tomentosas com pêlos ramificados. Possuem grande quantidade de sementes.
As sementes são membranáceas brilhantes e esbranquiçadas, de coloração marrom. Possuem de 2 a 3 cm de comprimento por 7 a 9 mm de largura e são aladas.
Reprodução
A espécie é caducifólia e a queda das folhas coincide com o período de floração. A floração inicia-se no final de agosto, podendo ocorrer alguma variação devido a fenômenos climáticos. Como a espécie floresce no final do inverno é influenciada pela intensidade do mesmo. Quanto mais frio e seco for o inverno, maior será a intensidade da florada do ipê amarelo.
As flores por sua exuberância, atraem abelhas e pássaros, principalmente beija-flores que são importantes agentes polinizadores. Segundo CARVALHO (2003), a espécie possui como vetor de polinização a abelha mamangava (Bombus morio).
As sementes são dispersas pelo vento.
A planta é hermafrodita, e frutifica nos meses de setembro, outubro, novembro, dezembro, janeiro e fevereiro, dependendo da sua localização. Em cultivo, a espécie inicia o processo reprodutivo após o terceiro ano.
Ocorrência Natural
Ocorre naturalmente na Floresta Estaciobal Semidecicual, Floresta de Araucária e no Cerrado.
Segundo o IBGE, a Tabebuia alba (Cham.) Sandw. é uma árvore do Cerrado, Cerradão e Mata Seca. Apresentando-se nos campos secos (savana gramíneo-lenhosa), próximo às escarpas.
Clima
Segundo a classificação de Köppen, o ipê-amarelo abrange locais de clima tropical (Aw), subtropical úmido (Cfa), sutropical de altitude (Cwa e Cwb) e temperado.
A T.alba pode tolerar até 81 geadas em um ano. Ocorre em locais onde a temperatura média anual varia de 14,4ºC como mínimo e 22,4ºC como máximo.
Solo
A espécie prefere solos úmidos, com drenagem lenta e geralmente não muito ondulados (LONGHI, 1995).
Aparece em terras de boa à média fertilidade, em solos profundos ou rasos, nas matas e raramente cerradões (NOGUEIRA, 1977).
Pragas e Doenças
De acordo com CARVALHO (2003), possui como praga a espécie de coleópteros Cydianerus bohemani da família Curculionoideae e um outro coleóptero da família Chrysomellidae. Apesar da constatação de elevados índices populacionais do primeiro, os danos ocasionados até o momento são leves. Nas praças e ruas de Curitiba - PR, 31% das árvores foram atacadas pela Cochonilha Ceroplastes grandis.
ZIDKO (2002), ao estudar no município de Piracicaba a associação de coleópteros em espécies arbóreas, verificou a presença de insetos adultos da espécie Sitophilus linearis da família de coleópteros, Curculionidae, em estruturas reprodutivas. Os insetos adultos da espécie emergiram das vagens do ipê, danificando as sementes desta espécie nativa.
ANDRADE (1928) assinalou diversas espécies de Cerambycidae atacando essências florestais vivas, como ingazeiro, cinamomo, cangerana, cedro, caixeta, jacarandá, araribá, jatobá, entre outras como o ipê amarelo.
A Madeira
A Tabebuia alba produz madeira de grande durabilidade e resistência ao apodrecimento (LONGHI,1995).
MANIERI (1970) caracteriza o cerne desta espécie como de cor pardo-havana-claro, pardo-havan-escuro, ou pardo-acastanhado, com reflexos esverdeados. A superfície da madeira é irregularmente lustrosa, lisa ao tato, possuindo textura media e grã-direita.
Com densidade entre 0,90 e 1,15 grama por centímetro cúbico, a madeira é muito dura (LORENZI, 1992), apresentando grande dificuldade ao serrar.
A madeira possui cheiro e gosto distintos. Segundo LORENZI (1992), o cheiro característico é devido à presença da substância lapachol, ou ipeína.
Usos da Madeira
Sendo pesada, com cerne escuro, adquire grande valor comercial na marcenaria e carpintaria. Também é utilizada para fabricação de dormentes, moirões, pontes, postes, eixos de roda, varais de carroça, moendas de cana, etc.
Produtos Não-Madeireiros
A entrecasca do ipê-amarelo possui propriedades terapêuticas como adstringente, usada no tratamento de garganta e estomatites. É também usada como diurético.
O ipê-amarelo possui flores melíferas e que maduras podem ser utilizadas na alimentação humana.
Outros Usos
É comumente utilizada em paisagismo de parques e jardins pela beleza e porte. Além disso, é muito utilizada na arborização urbana.
Segundo MOREIRA & SOUZA (1987), o ipê-amarelo costuma povoar as beiras dos rios sendo, portanto, indicado para recomposição de matas ciliares. MARTINS (1986), também cita a espécie para recomposição de matas ciliares da Floresta Estacional Semidecidual, abrangendo alguns municípios das regiões Norte, Noroeste e parte do Oeste do Estado do Paraná.
Aspectos Silviculturais
Possui a tendência a crescer reto e sem bifurcações quando plantado em reflorestamento misto, pois é espécie monopodial. A desrrama se faz muito bem e a cicatrização é boa. Sendo assim, dificilmente encopa quando nova, a não ser que seja plantado em parques e jardins.
Ao ser utilizada em arborização urbana, o ipê amarelo requer podas de condução com freqüência mediana.
Espécie heliófila apresenta a pleno sol ramificação cimosa, registrando-se assim dicotomia para gema apical. Deve ser preconizada, para seu melhor aproveitamento madeireiro, podas de formação usuais (INQUE et al., 1983).
Produção de Mudas
A propagação deve realizada através de enxertia.
Os frutos devem ser coletados antes da dispersão, para evitar a perda de sementes. Após a coleta as sementes são postas em ambiente ventilado e a extração é feita manualmente. As sementes do ipê amarelo são ortodoxas, mantendo a viabilidade natural por até 3 meses em sala e por até 9 meses em vidro fechado, em câmara fria.
A condução das mudas deve ser feita a pleno sol. A muda atinge cerca de 30 cm em 9 meses, apresentando tolerância ao sol 3 semanas após a germinação.
Sementes
Os ipês, espécies do gênero Tabebuia, produzem uma grande quantidade de sementes leves, aladas com pequenas reservas, e que perdem a viabilidade em poucos dias após a sua coleta. A sua conservação vem sendo estudada em termos de determinação da condição ideal de armazenamento, e tem demonstrado a importância de se conhecer o comportamento da espécie quando armazenada com diferentes teores de umidade inicial, e a umidade de equilíbrio crítica para a espécie (KANO; MÁRQUEZ & KAGEYAMA, 1978).
As levíssimas sementes aladas da espécie não necessitam de quebra de dormência. Podem apenas ser expostas ao sol por cerca de 6 horas e semeadas diretamente nos saquinhos. A quebra natural leva cerca de 3 meses e a quebra na câmara leva 9 meses. A germinação ocorre após 30 dias e de 80%.
As sementes são ortodoxas e há aproximadamente 87000 sementes em cada quilo.
Preço da Madeira no Mercado
O preço médio do metro cúbico de pranchas de ipê no Estado do Pará cotado em Julho e Agosto de 2005 foi de R$1.200,00 o preço mínimo, R$ 1509,35 o médio e R$ 2.000,00 o preço máximo (CEPEA,2005).
So close... but it missed us. Large but concentrated mass of rain in that cloud! Methow Valley, Wa. HDR
Darwin Heath被認為是Alpine Heath及Pearly Heath的混種,可見其數量不會太多,在歐洲的分布較為侷限.
Darwin Heath is now considered a hybrid of Alpine Heath and Pearly Heath, it's distribution is highly localized.
Taken at Mercantour National Park, France.
Brittle deformation at a high level in the crust here produced a localized pattern of interconnected fractures, with many of the rock fragments fitting together in "jigsaw" fashion; my fingers are there for scale. (A "breccia" is a rock composed of angular fragments, so breccia zones are present here; "brecciation" is a deformational process).
Fluid flowed into the open channels of the fracture network and a white mineral precipitated from solution. At upper left is a good view of the unbrecciated host rock (Marron Fm. porphyritic andesite).
The relative sizes and positions (including packing/clustering together) of the fragments in the breccia-vein zones is of interest to geologists (and those interested in interpreting physical process-product relationships). While some of the fragments fit together tightly in jigsaw patterns, within parts/branches of the white vein areas some of the smaller fragments are more loosely and irregularly packed together - these smaller pieces may have been moved around within the open fracture network, before or during fluid flow. Some of the smallest fragments might have been jostled about during fluid flow, moved downward and trapped in V-shaped areas below and next to larger fragments (look carefully in the upper-middle part of my photo).
(This rock above is tectonic breccia; sedimentary breccias are a different type of rock with very different origins.)
From my 2011-2012 study of Eocene rocks in south-central British Columbia, western Canada.
Copyright J.R. Devaney