Endangered Endangered speciesspecies

EndangeredEndangered speciesspecies

Endangered species is a Endangered species is a population of organism which population of organism which

is at a risk of becoming is at a risk of becoming extinct due to few in number, extinct due to few in number,

threatened by changing threatened by changing environment or due to environment or due to

deforestation there may be deforestation there may be lack of food/water. lack of food/water.

Endangered species termsEndangered species terms Vulnerable species- species particularly at risk Vulnerable species- species particularly at risk

because of low numbers or small range, but not because of low numbers or small range, but not threatened species. threatened species.

Threatened species- species whose population is Threatened species- species whose population is not yet low enough to be in immediate danger of not yet low enough to be in immediate danger of extinction but may face serious problem in future.extinction but may face serious problem in future.

Endangered species-species that is in immediate Endangered species-species that is in immediate danger of becoming extinct .its number is usually danger of becoming extinct .its number is usually low and protection for survival.low and protection for survival.

Extinct species- species are those which are no Extinct species- species are those which are no longer living.longer living.

How do species get listed in How do species get listed in endangered list?endangered list?

Any person may petition the Any person may petition the government to list species as either government to list species as either endangered or threatened. endangered or threatened. Endangered species are those Endangered species are those species which are in danger of species which are in danger of extinction through all. The decision extinction through all. The decision to list species is supposed to be to list species is supposed to be based solely on , science not on based solely on , science not on politics.politics.

What is candidate species?What is candidate species?

Unfortunately, many species sit on the Unfortunately, many species sit on the CANDIDATE list for years and years CANDIDATE list for years and years owing to adverse political pressure or owing to adverse political pressure or funding constraints. If there is enough funding constraints. If there is enough evidence that the species needs to be evidence that the species needs to be listed, but there is enough evidence that listed, but there is enough evidence that the species need to be listed, but there the species need to be listed, but there is in adequate funding to finish the is in adequate funding to finish the process, the service usually declares the process, the service usually declares the species listing WARRANTED BUT species listing WARRANTED BUT PRECULDED.PRECULDED.

Cause of Cause of endangermentendangerment

1. HABITAT DESTRUCTION 1. HABITAT DESTRUCTION

Our planet is continually changing, causing Our planet is continually changing, causing habitats to be altered and modified. habitats to be altered and modified. Natural changes tend to occur at a gradual Natural changes tend to occur at a gradual pace, usually causing only a slight impact pace, usually causing only a slight impact on individual species. However , when on individual species. However , when changes occur at a fast pace, there is little changes occur at a fast pace, there is little or no time for individual species to react or no time for individual species to react and adjust to new circumstances. Rapid and adjust to new circumstances. Rapid habitat loss is primary cause of species habitat loss is primary cause of species endangerment.endangerment.

..2. Introduction of exotic species 2. Introduction of exotic species native species are those plants and native species are those plants and animals that are a part of a specific animals that are a part of a specific geographic area , and have ordinarily geographic area , and have ordinarily been a part of that particular biological been a part of that particular biological landscape for lengthy period of time. landscape for lengthy period of time. Exotic species are interlopers. Exotic Exotic species are interlopers. Exotic species may also seriously disrupt species may also seriously disrupt delicate eclogoical balances. delicate eclogoical balances.

3. overexploitation 3. overexploitation species that face overexploitation is species that face overexploitation is may become severely endangered or may become severely endangered or extinct due to the rate in which the extinct due to the rate in which the species are being used. Due to the trade species are being used. Due to the trade in animal parts, many species continue in animal parts, many species continue to suffer high rates of exploitation. Even to suffer high rates of exploitation. Even today, there are demands for items today, there are demands for items such as horns of rhino , tiger bonessuch as horns of rhino , tiger bones

Why save Why save endangered endangered

species?species?

Medicines Medicines Plants and animals are responsible for Plants and animals are responsible for variety of useful medications. In fact , variety of useful medications. In fact , about 40% of all prescriptions written about 40% of all prescriptions written today are composed from the natural today are composed from the natural compounds of different species. These compounds of different species. These species not only save lives, help the to species not only save lives, help the to industries prosper. industries prosper.

2. agricultural 2. agricultural There are an estimated 80000 There are an estimated 80000 plants and animals in the world. plants and animals in the world. Humans depend upon only 20 species Humans depend upon only 20 species of species of these plants , such as of species of these plants , such as wheat and corn, to provide 90% of wheat and corn, to provide 90% of world’s food. Wild relatives of these world’s food. Wild relatives of these common crops contain essential common crops contain essential disease-resistant disease-resistant materialmaterial

3. aesthetic 3. aesthetic plant and animal species and plant and animal species and their eco systems form the basis of their eco systems form the basis of America’s multi dollar ,job intensive, America’s multi dollar ,job intensive, tourism industry. They also supply tourism industry. They also supply recreational, spiritual, and quality of recreational, spiritual, and quality of life values as well. Each year over108 life values as well. Each year over108 million people in USA participate in million people in USA participate in wild life- related including observing, wild life- related including observing, feeding and photographing wild life.feeding and photographing wild life.