Monday, June 2, 2008

NEEM TREE

Neem Tree (L. Azadirachta Indica):
Among the many natural plants and herbs that people use for their medicinal properties, the Neem tree (L. Azadirachta Indica) is one of the most beneficial for natural or Ayurvedic medicine.

Neem is a fast-growing tree that can reach a height of 15-20 m, rarely to 35-40 m. It is evergreen but under severe drought it may shed most or nearly all of its leaves. The branches are wide spread. The fairly dense crown is roundish or oval and may reach the diameter of 15-20 m in old, free-standing specimens. The trunk is relatively short, straight and may reach a diameter of 1.2 m. The bark is hard, fissured or scaly, and whitish-grey to reddish-brown. The sapwood is greyish-white and the heartwood reddish when first exposed to the air becoming reddish-brown after exposure. The root system consists of a strong taproot and well developed lateral roots.

The Neem tree’s bark, Neem leaves, Neem seeds and roots can be made into various medicinal remedies for a wide range of ailments, ranging from anti-hemorrhoids and loss of appetite, to leprosy and other skin disorders. Neem leaves to cure skin diseases such as boils, ulcers, eczema, and ring worm. Pastes and extracts from Neem trees have also proven effective in treating various skin fungus conditions, including athlete's foot and lesions in the mouth and vagina. More serious diseases such as chicken pox and small pox have been treated with Neem tree pastes; and even people suffering from herpes and hepatitis B viruses have obtained relief from Neem tree preparations. Neem oil is also used as a base for variety of organic cosmetics including soaps, shampoos, hand and body lotions and creams. It is also used as an organic bio-pesticide repellant against insects such as Japanese beetles, meal worms, and aphids.

Tuesday, May 27, 2008

CHEETAH

Cheetah (Acinonyx jubatus):
The cheetah is an atypical member of the cat family (Felidae) that is unique in its speed and stealth, while lacking climbing abilities. As such, it is placed in its own genus, Acinonyx. It is the fastest land animal, reaching speeds between 112 kilometres per hour (70 mph) and 120 kilometres per hour (75 mph) in short bursts covering distances up to 460 metres (1,500 ft), and has the ability to accelerate from 0 to 110 kilometres per hour (68 mph) in three seconds, greater than most supercars. The word "cheetah" is derived from the Sanskrit word chitrakaya, meaning variegated body.

The cheetah's chest is deep and its waist is narrow. The coarse, short fur of the cheetah is tan with round black spots measuring from 2 centimetres (0.79 in) to 3 centimetres (1.2 in) across, affording it some camouflage while hunting. There are no spots on its white underside, but the tail has spots, which merge to form four to six dark rings at the end. The tail usually ends in a bushy white tuft. The cheetah has a small head with high-set eyes. Black "tear marks" run from the corner of its eyes down the sides of the nose to its mouth to keep sunlight out of its eyes and to aid in hunting and seeing long distances.

The adult cheetah weighs from 40 kilograms (88 lb) to 65 kilograms (140 lb). Its total body length is from 115 centimetres (45 in) to 135 centimetres (53 in), while the tail can measure up to 84 centimetres (33 in) in length. Males tend to be slightly larger than females and have slightly bigger heads, but there is not a great variation in cheetah sizes and it is difficult to tell males and females apart by appearance alone. Compared to a similarly-sized leopard, the cheetah is generally shorter-bodied, but is longer tailed and taller (it averages about 90 centimetres (35 in) tall) and so it appears more streamlined.
Some cheetahs also have a rare fur pattern mutation: cheetahs with larger, blotchy, merged spots are known as 'king cheetahs'. It was once thought to be a separate subspecies, but it is merely a mutation of the African cheetah. The 'king cheetah' has only been seen in the wild a handful of times, but it has been bred in captivity.
The cheetah's paws have semi-retractable claws (known only in three other cat species - the Fishing Cat, the Flat-headed Cat and the Iriomote Cat) offering the cat extra grip in its high-speed pursuits. The ligament structure of the cheetah's claws is the same as those of other cats; it simply lacks the sheath of skin and fur present in other varieties, and therefore the claws are always visible, with the exception of the dewclaw. The dewclaw itself is much shorter and straighter than other cats.
Adaptations that enable the cheetah to run as fast as it does include large nostrils that allow for increased oxygen intake, and an enlarged heart and lungs that work together to circulate oxygen efficiently. During a typical chase its respiratory rate increases from 60 to 150 breaths per minute.[6] While running, in addition to having good traction due to its semi-retractable claws, the cheetah uses its tail as a rudder-like means of steering to allow it to make sharp turns, necessary to outflank prey who often make such turns to escape.

Unlike "true" big cats, the cheetah can purr as it inhales, but cannot roar. By contrast, the big cats can roar but cannot purr, except while exhaling. However, the cheetah is still considered by some to be the smallest of the big cats. While it is often mistaken for the leopard, the cheetah does have distinguishing features, such as the aforementioned long "tear-streak" lines that run from the corners of its eyes to its mouth. The body frame of the cheetah is also very different from that of the leopard, most notably so in its thinner and longer tail, and unlike the leopard, its spots are not arranged into rosettes.

The cheetah is a vulnerable species. Out of all the big cats, it is the least able to adapt to new environments. It has always proved difficult to breed in captivity, although recently a few zoos have managed to succeed at this. Once widely hunted for its fur, the cheetah now suffers more from the loss of both habitat and prey.

The cheetah was formerly considered to be particularly primitive among the cats and to have evolved approximately 18 million years ago. New research, however, suggests that the last common ancestor of all 40 existing species of felines lived more recently than that - about 11 million years ago. The same research indicates that the cheetah, while highly derived morphologically, is not of particularly ancient lineage, having separated from its closest living relatives (Puma concolor, the cougar, and Puma yaguarondi, the jaguarundi) around five million years ago.

Reproduction and Social Life:
Females reach maturity within twenty to twenty-four months, and males around twelve months (although they do not usually mate until at least three years old), and mating occurs throughout the year. A recent study of cheetahs in the Serengeti showed that female cheetahs are sexually promiscuous and often have cubs by many different males.

Females give birth to up to nine cubs after a gestation period of ninety to ninety-eight days, although the average litter size is three to five. Cubs weigh from 150 grams (5.3 oz) to 300 grams (11 oz) at birth. Unlike some other cats, the cheetah is born with its characteristic spots. Cubs are also born with a downy underlying fur on their necks, called a mantle, extending to mid-back. This gives them a mane or Mohawk-type appearance; this fur is shed as the cheetah grows older. It has been speculated that this mane gives a cheetah cub the appearance of the ratel, to scare away potential aggressors. Cubs leave their mother between thirteen and twenty months after birth. Life span is up to twelve years in the wild, but up to twenty years in captivity.

Unlike males, females are solitary and tend to avoid each other, though some mother/daughter pairs have been known to be formed for small periods of time. The cheetah has a unique, well-structured social order. Females live alone except when they are raising cubs and they raise their cubs on their own. The first eighteen months of a cub's life are important - cubs learn many lessons because survival depends on knowing how to hunt wild prey species and avoid other predators. At eighteen months, the mother leaves the cubs, who then form a sibling, or "sib" group, that will stay together for another six months. At about two years, the female siblings leave the group, and the young males remain together for life.

LIONS

Lion (Panthera leo):
The lion is a member of the family Felidae and one of four big cats in the genus Panthera. With exceptionally large males exceeding 250 kg lb in weight, it is the second-largest living cat after the tiger. Wild lions currently exist in sub-Saharan Africa and in Asia with a critically endangered remnant population in northwest India, having disappeared from North Africa, the Middle East and Western Asia in historic times. Until the late Pleistocene (about 10,000 years ago), the lion was the most widespread large land mammal beside humans. They were found in most of Africa, much of Eurasia from western Europe to India and, in the Americas, from the Yukon to Peru.

Should they survive the rigors of cubhood, lionesses in secure habitat such as Kruger National Park may frequently reach an age of 12–14 years whereas lions seldom live for longer than 8 years. In captivity both male and female lions can live for over 20 years. They typically inhabit savanna and grassland, although they may take to bush and forest. Lions are unusually social compared to other cats. A pride of lions consists of related females and offspring and a small number of adult males. Groups of female lions typically hunt together, preying mostly on large ungulates. The lion is an apex and keystone predator, although they will resort to scavenging if the opportunity arises. While lions, in general, do not selectively hunt humans, some have been known to become man-eaters and seek human prey.

The lion is a vulnerable species, having seen a possibly irreversible population decline of 30 to 50 percent over the past two decades in its African range; populations are untenable outside designated reserves and national parks. Although the cause of the decline is not well understood, habitat loss and conflicts with humans are currently the greatest causes of concern. Lions have been kept in menageries since Roman times and have been a key species sought after and exhibited in zoos the world over since the late eighteenth century. Zoos are cooperating worldwide in breeding programs for the endangered Asiatic subspecies.
Visually, the male is highly distinctive and is easily recognized by its mane. The head of the male lion is one of the most widely recognized animal symbols in human culture. It has been depicted extensively in literature, in sculptures, in paintings, on national flags, and in contemporary films and literature.

The lioness has been recognized, however, as the pinnacle of hunting prowess from the earliest of human writings and graphic representations. The lionesses are the hunters for their pride and capture their prey with precise and complex teamwork. Each lioness develops specific skills for her role in the hunting techniques used by her pride and, generally, assumes that role during most hunts. Members of human cultures living among lions in natural habitats have understood this characteristic and often have chosen the lioness to represent their most ferocious war deities and warriors, often naming their male rulers as her "son". Examples drawn from the earliest of written records include the Egyptian pantheon deities of Sekhmet, Bast, Menhit, and Tefnut, and these deities may have had precursors in Nubia and Lybia. Other Egyptian deities are quite complex and assume aspects that may include one as a lioness headed human or a lioness in specific roles. Depictions of lions hunting in groups have existed from the Upper Paleolithic period, with carvings and paintings from the Lascaux and Chauvet Caves.

Golden Lion Tamarin (Leontopithecus rosalia) :
The golden lion tamarin is classified as a member of the order Primates and is a member of the family Callitrichidae. The golden lion tamarin's head and body are about one foot long, and the tail is slightly shorter. It weighs about one and a half pounds. The golden lion tamarin is classified as a critically endangered species due to the fact that it only exists in severely fragmented subpopulations consisting of no more than fifty mature tamarins each, and that there has been continuing decline in the golden lion tamarin population. The golden lion tamarin is one of the most endangered of all mammals.

Indian Lion:
The Indian lion is restricted to the Gir Forest in Gujrat. To protect this majestic animal from extinction the Gir Wildlife Sanctuary and National Park was formed in the year 1972.

BLACK RHINOCEOS

Black Rhinoceros (Diceros bicornis) :
The black rhinoceros is classified as a member of the order Perissodactyla (Odd-Toed Hoofed Mammals) and is a member of the family Rhinocerotidae. The black rhinoceros grows up to twelve feet long and six feet high. It weighs up to three thousand pounds. The black rhinoceros is classified as a critically endangered species due to a reduction of at least 80% of the black rhinoceros population over the last three generations based on direct observation, an index of abundance, and a decline in area of occupancy. The black rhinoceros is the most aggressive species in the rhinoceros family, and can charge at speeds up to thirty miles per hour.

Prehistoric in appearance and intriguing in behavior, rhinos in the late 20th century joined the ranks of the most critically endangered animals in the world. Rhinos are one of the largest free-roaming mammals left on the planet and they play an important role in ecosystems by serving as "landscape architects" of their habitat. Rhinos are seed dispersers, consuming various plants and then, as inadvertent gardeners, distributing their seeds throughout their range. Since it can take a rhino more than three days to digest a meal, seeds can be transported a significant distance before they are deposited in droppings. Rhino dung also enhances soil fertility and nourishes the landscape.

The existence of this majestic species is increasingly threatened, due primarily to poaching and habitat loss. As the rhino is one of its flagship species, WWF is directing innovative conservation efforts in Asia and Africa that have already produced results and promise a more secure future for the rhino.

GORILLA

Gorilla (Gorilla gorilla) :
The gorilla is classified as a member of the order Primates and is a member of the family Hominidae. The male gorilla grows to about six feet high, and weighs up to six hundred pounds. The female gorilla grows to about five feet high, and weighs up to two hundred pounds. The gorilla is classified as an endangered species due to the projected gorilla population declining to at the highest 50% due to a decline in area of occupancy. The gorilla is the largest and most powerful primate alive, but is a peaceful and sociable animal.

The largest of the great apes, the gorilla is among our most endangered species. Having endured decades of civil war in Central and East Africa, gorillas are confronted by the devastating consequences of increased habitat loss, poaching for the bushmeat trade and the spread of dangerous diseases like Ebola.

While the efforts to safeguard the different subspecies are meeting with varied levels of success, each remains a conservation priority for WWF. On the cusp of extinction prior to the hundredth anniversary of its discovery, the mountain gorilla population, which now totals more than 700 individuals, is beginning a slow increase, thanks to a dedicated effort and sound conservation initiatives. But the western lowland gorilla, the most numerous and widespread of the four subspecies, faces a severe Ebola crisis which, recent reports show, has caused a 56 percent decline in population across its range, with some of the hardest hit areas suffering even more.
WWF continues to work in the field and engage its conservation partners in order to address these threats and protect this wondrous and endangered species. Together, we can provide a more secure future for the gorilla.

GIANT PANDA

Giant Panda (Ailuropoda melanoleuca) :
The giant panda is classified as a member of the order Carnivora (Carnivores) and is a member of the family Procyonidae. The male giant panda stands up to five feet tall, and weighs up to 265 pounds. The female giant panda is smaller and weighs less. The giant panda is classified as an endangered species due to the fact that it only exists in severely fragmented subpopulations consisting of up to 250 mature adults, and that there has been continuing decline in the area of habitat. The giant panda feeds mainly on bamboo, even though it is classified as a carnivore.

The lovable and charismatic panda is one of the most popular animals in the world. Unfortunately, it is also one of the most endangered. Found only in China, one of the world's most populous countries, the giant panda clings to survival, facing habitat fragmentation and poaching as its greatest threats. It is estimated that as few as 1,600 pandas remain in the wild today. WWF works to help giant pandas in the wild through a variety of programs, including scientific assessments, habitat conservation and outreach to local governments and people within the panda's home range.

Pandas have been an integral part of our mission for more than two decades. In 1979, WWF was the first international organization to be invited into China to work on panda conservation. To this day, we remain the primary international conservation organization protecting pandas in the wild, and with your help we can ensure their survival.

TIGER

Tiger (Panthera tigris) :
The tiger is classified as a member of the order Carnivora (Carnivores) and is a member of the family Felidae. The male tiger grows up to ten feet long from its head to the tip of its tail, and weighs up to 575 pounds. The tiger is classified as an endangered species due to the projected tiger population declining to at the highest 50% due to an index of abundance and a decline in area of occupancy. The tiger consists of eight subspecies, distinguished by the colour of their coat.

The Tiger is a magnificent animal, the largest of the big cats. The tigers live in Asia. They have thick yellow fir with dark stripes. They are shy animals , preferring to live and hunt alone. They climb well , and are very graceful in their movements. But they are also fierce hunters killing wild pigs , deer and cattle for food. The tigers are in danger because its hunting areas being turned into farms and villages. Their numbers have been reduced because of extensive poaching in many Asian countries for their valuable skins. Their body parts are used in Chinese medicine and exotic recipes. In 1939 there were thought to be 30,000 tigers in India but today there are only 3000 left.

Project Tiger is a wildlife conservation project initiated in India in 1972 to protect the Bengal Tigers.

WWF collaborated with other organizations on the most comprehensive scientific study of tiger habitats ever done. The study finds that tigers reside in 40 percent less habitat than they were thought to a decade ago and now occupy only seven percent of their historic range.
The study also finds that conservation efforts have resulted in some populations remaining stable and even increasing, but concludes that long-term success is only achieved where there is broad landscape-level conservation and buy-in from stakeholders.

Recommendations to ensure a future for tigers:
1.
Create human-tiger friendly landscapes that offer both core protected areas, surrounded by buffer zones where tigers can raise their young and allow humans and tigers to co-exist, and provide corridors that will connect tigers to other core protected areas.
2. Increase conservation investment. Between 1998 and 2003, US$23.3 million was invested in all tiger conservation landscapes, with the two most significant donors being WWF and Save the Tiger Fund.
3. Improve conservation across international borders - 18 of the tiger conservation landscapes are transboundary.

Essential goals for the next 10 years:
1. Secure tiger populations in all global-priority tiger landscapes;
2. Obtain reserve status for 10 places with unprotected breeding tiger populations;
3. Establish at least five tiger habitat "corridors" between fragmented tiger conservation landscapes.
4. Expand the range of breeding tigers in at least five priority tiger conservation landscapes.
5. Implement a holistic conservation strategy. This should engage regional development organizations, government officials, NGO's and businesses to consider tiger conservation needs in national and regional development plans.