c. This is primarily because of the climatic conditions, relief feature , precipitation level in that area. How do scientists extrapolate the total number of … } In India, Western Ghats and Eastern Himalayas are rich in amphibian fauna. Caecilians are legless, burrowing amphibians which mostly live in leaf litter, loose soil, under rocks and decaying logs. 2.2. The more the number of species in an area the more is the species richness. The specimens were found inside moist soil after digging the shrub-covered bank of a mountain stream. We determined the drivers of reptile and amphibian species richness, This list is based largely on Frost (2006) and includes common names from older books and journals. According to David Tilman, greater the diversity, greater … font-size: 14px; Western ghats have a greater number of amphibian species than the Eastern ghats. For example, the Western Ghats have a greater amphibian species diversity than the Eastern Ghats. Answer: The three indices of diversity are – Alpha, Beta and Gamma diversity. Hence western ghats is full of rainforests. The smaller caecilians superficially resemble earthworms while the larger ones are … Two order, viz., Salientia and Apoda with eight families and 24 genera represent the 127 species of Western Ghat amphibians. Question 13. There is more solar energy available in the tropics, which contributes to higher productivity; this in turn might contribute indirectly to species diversity. 2 months, 3 weeks ago, Species diversity is the variety in the number and richness of the species of a region, Western Ghats have greater amphibian species diversity as compared to eastern ghats. Dear Student, a. It indicates the species richness in any habitat. Western ghats are continuous mountains from south Kerala to Maharashtra. Species diversity is the variety in the number and richness of the species of a region, Western Ghats have greater amphibian species diversity as compared to eastern ghats. What is human genome project. Question 41. The Western Ghats have greater amphibian species diversity than the Eastern Ghats. (iii) Ecological diversity: It is the diversity at the ecosystem level. Fossil taxa from the Cretaceous show links to the Seychelles and Madagascar chain of islands. Anuran Diversity and Distribution in Dandeli Anshi Tiger Reserve, Newsletter of the Amphibian Network of South Asia and Amphibian Specialist Group - South Asia, Diversity and Distribution of Amphibian Fauna of the Nagarjunasagar-Srisailam Tiger Reserve, Andhra Pradesh, Need of anuran studies in habitats of southern Rajasthan, India. The body is elongated and smooth with a slimy skin. Its average height is also very high at more than 1000m. But eastern ghats is parallel to the north east monsoon winds. (iii) Ecological diversity: It is diversity at the ecosystem level. text-transform: none; 10. State the … of Bihar. The vertebrates are represented by 218 species of fishes, 74 species of amphibians, 149 species of reptiles, 528 species of birds and 241 species of mammals. The 20 ‘critically endangered’ amphibians include some species of frogs found in the Western Ghats of Kerala, Maharashtra and Karnataka and in some hills of the north east, he said. Amphibians are represented by high species richness and endemism in India, with two major centres of diversities: the north east India and the Western Ghats (Inger and Dutta, 1986; Jayaram, 1974). display: block; ... conservation scientists and policy makers to understand the diversity of Indian amphibians and their up-to-date nomenclature, he said. Answer. They are also found in agricultural fields and only surface during the monsoon. The unique forms includes the snake family Uropeltidae found only in the Western Ghats and Sri Lanka. (iii) Ecological diversit y: At the ecosystem level, India, for instance, with its deserts, rain forests, mangroves, coral reefs, wetlands, estuaries, and alpine meadows has a greater ecosystem diversity than a … Scientific studies on reptile and amphibian assemblages are particularly important in biodiversity hotspots such as the Western Ghats in southwestern India where around 86% of amphibians and 62% of reptiles are endemic (Gunawardene et al., 2007, Dinesh and Radhakrishnan, 2011). State the principle of Stockholm declaration – 1972. Some Indian frogs. our country. Species Diversity It is the variety of species within a region. So far no group of Andean plants has been comprehensively assessed and published on the IUC… But eastern ghats is parallel to the north east monsoon winds. considerable attention due to its faunistic and floristic diversity and high degree of endemism. Table 1 details the species diversity of Western Ghats amphibians. .center { Academia.edu no longer supports Internet Explorer. For example, the Western Ghats have a greater amphibian species diversity than the Eastern Ghats. The frog is about the … 38. Enter the email address you signed up with and we'll email you a reset link. text-transform: none; Its average height is also around 600m. Its average height is also very high at more than 1000m. The latitude range between 10° and 12°N harbours nearly 65 per cent Table 2 Comparison of land snail diversity of the of the land snails of the Western Ghats, and there is Western Ghats with India a significant decrease in the species richness (r=- Occurrence in Occurrence in Percentage 0.737, p<0.001, Figure 3a) and number of families India Western Ghats from south to north (r=-0.743, p<0.001). Posted by Riya Poswal 2 months, 3 weeks ago, Gaurav Seth The Tropical Andes is the world leader in plant endemism, with an estimated 50 percent (and perhaps 60 percent or more) of its species found nowhere else on Earth. The Western Ghats are continuous ranges with an average height of 900– 1600 metres. } What kind of diversity does it represent ? species of amphibians recorded so far belonging to 8 genera and 4 families from Gaya dist. You can download the paper by clicking the button above. Greater species richness of tree species (157 species), amphibians (34), … For example, the Western Ghats have a greater amphibian species diversity than the Eastern Ghats. Among the vertebrates, the largest number of known species is among birds (508 species), followed by fishes (218), reptiles (157), mammals (137), and amphibians (126). What accounts for the greater ecological diversity of India? Required desktop or laptop with internet connection, All Content and Intellectual Property is under Copyright Protection | myCBSEguide.com ©2007-2021. So rainfall is low compared to western ghats. At the current pace, with new technologies, tools, and more taxonomists working on amphibians in the country, it is Among these, 112 species occur in the Western Ghats, 88 species being endemic to In terms of forest diversity, Australia has a greater latitudinal range, and will probably have a greater species variety. .fnt { The testosterone secretes from leydig cell is under the control of which hormone ? (a) Species diversity (b) Genetic diversity (c) Ecological diversity (d) None of these Answer: (a) Species diversity. These rainforests in western ghats acts as a home for more flora and fauna. Why dont cell at the end of prophase show golgi complex,endoplasmic reticulum,nucleolus and the nuclear envelope, Create questions or review them from home. Usually more biodiversity is found in tropical rainforests which receives very heavy annual rainfall. Diversity abfhe level of community and ecosystem has three perspectives margin-right: auto; font-size: 14px; Animal diversity is also exceptional, at the time of nomination in 2012, the property recorded amphibians (up to 179 species, 65% endemic), reptiles (157 species, 62% endemic), and fishes (219 species, 53% endemic). Rising from the coastal strip, the mountains reach 2,800 m at the highest peak. Endemism, … Explain briefly ? 3. As a result, habitat conversion is selecting for new species pools within each region of the globe, which often have reduced taxonomic diversity and PD. high: of the nearly 650 tree species found in the Western Ghats, 352 (54%) are endemic. Sorry, preview is currently unavailable. Why is India said to have greater ecosystem diversity than Norway? The Western Ghats of India, a global hotspot for amphibian diversity and endemism (Biju 2001, Biju & Bossuyt 2003, has more than 40% of its amphibian fauna threatened with extinction (IUCN 2014). Why ampibhians greater in western ghats as compare to eastern ghats? Astrobatrachus kurichiyana, also known as the starry dwarf frog, has only been found on a single hill range in India’s Western Ghats. padding: 5px; explain how does it impart immunity to the child against the disease? In India, Western Ghats and Eastern Himalayas are rich in amphibian fauna. considerable attention due to its faunistic and floristic diversity and high degree of endemism. India with its deserts, rain forests, mangroves, coral reefs, wetlands, estuaries, and alpine meadows has a greater ecosystem diversity. The discovery of this species indicates that the caecilian amphibians might have great diversity all along the Western Ghats area said Mr Ramachandran. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. During southwest monsoon western ghats acts as a barrier for the moisture winds from Arabian sea causing very heavy rainfall. So far 216 amphibians are reported from India (Dutta, 1992 and 1997). The more the number of species in an area the more is the species richness. The 20 ‘critically endangered’ amphibians include some species of frogs found in the Western Ghats of Kerala, Maharashtra and Karnataka and in some hills of the north east, he said. species of amphibians, 136 of which are endemic to West ern Ghats and 50 species fall under the v arious threat ened categ ories of IUCN. [Delhi 2012C] Answer/Explanation. Investigation into the global threat status of Andean plants is only beginning. High peaks above 2,000 m are found in the Nilgiris, Anamalais and Palnis in the southern region. }, No software required, no contract to sign. b. Two new frog species reported by researchers from University of Delhi Reinforcing the importance of the Western Ghats as a valuable reservoir of … We found that phylogenetic relatedness explained most of the variation in amphibian species responses to anthropogenic habitat conversion, one of the primary threats to amphibian biodiversity . Among vertebrate groups, amphibians exhibit the highest level of endemism (78 percent of species found in the region are endemic), followed by reptiles (62 percent), fish (53 percent), 1 The ecosystem profile for the Western Ghats Region is available on the Web at The three indices of diversity are – Alpha, Beta and Gamma diversity. The Western Ghats have greater amphibian species diversity than the Eastern Ghats. The highest rate of endemism is to be found among amphibians (78% of all Western Ghats species) followed by reptiles (62%), fish (53%), mammals (12%), and birds (4%). This region is characterised by greater diversity in terms of amphibians species. Among the vertebrates, the largest number of known species is among birds (508 species), followed by fishes (218), reptiles (157), mammals (137), and amphibians (126). 3. It is the diversity at the species level. Usually more biodiversity is found in tropical rainforests which receives very heavy annual rainfall. Reinforcing the importance of the Western Ghats as a valuable reservoir of amphibian diversity, researchers from the University of Delhi have reported two new species of … Of the 384 species found in India (Dinesh et al. It is the diversity at the species level. In india total no of amphibian Tropical environments are less seasonal, relatively more constant and predictable; such constant environments promote niche specialization and lead to a greater species diversity. the W ester n Ghats have a gr eater amphibian species diversity than the Eastern Ghats. 2015), 154 were described between 2000 and March 2015, among which 111 are from the Western Ghats. .fnt { Among these, 112 species occur in the Western Ghats, 88 species being endemic to So far 216 amphibians are reported from India (Dutta, 1992 and 1997). margin-left: auto; The amphibians of India show a high level of endemism. project on sleeping disorders and different sleeping patterns. During southwest monsoon western ghats acts as a barrier for the moisture winds from Arabian sea causing very heavy rainfall. ... the caecilian amphibians might have great diversity all along the Western Ghats … }, .btn { what is vaccine? Most of the endemic species have restricted distribution, confined … Question 41. Hence western ghats is full of rainforests. Western ghats are continuous mountains from south Kerala to Maharashtra. Data on the diversity of selected faunal groups of Megamalai landscape, southern Western Ghats, India, based on a field study from March 2006 to January 2009 and published information were collated and analysed. 4. Simply apply as teacher, take eligibility test and start working with us. Faunal diversity in this region is unique in the sense that they are distinctly different from the species found in the plains, and significant proportions of them are endemic to the Himalaya. The amphibians of the Western Ghats are very diverse and unique, with nearly 87 percent (138 species) of the 158 species are endemic to this region, which is highest for any group of animal in the Western Ghats. The Western Ghats supports a diverse fauna. The highest rate of endemism is to be found among amphibians (78% of all Wes-tern Ghats species) followed by reptiles (62%), fish (53%), Land snail diversity in the Western Ghats 14° and 15°N where the Ghats are close to the west coast. Amphibians live in terrestrial habitat but for sexual reproduction they depend on aquatic habitat. The Cretaceous fauna include reptiles, amphibians and fishes and an extant species demonstrating this phylogeographical link is the purple frog. [12-13] Due to arid environment and dry conditions most of the time a year Bihar has less no of amphibian species as compared to rest of the country like Western Ghats and northeastern states. This is an index to the amphibians found in India. But eastern ghats is not that much continuous being split by many major rivers. 76 Scientific studies on reptile and amphibian assemblages are particularly important in 77 biodiversity hotspots such as the Western Ghats in southwestern India where around 86% of amphibians and 62% of reptiles78 are endemic (Gunawardene et al., 2007; Dinesh and 79 Radhakrishnan, 2011). } Species diversity is the variety in the number and richness of the species of a region, Western Ghats have greater amphibian species diversity as compared to eastern ghats. The Western Ghats is not only a biodiversity hotspot but also one of the “hottest” of its class because Ecological Diversity It is the diversity at ecosystem level. In general, diversity decreases with elevation whereas endemism often increases with elevation. For example, the different type of ecosystems within India are deserts, rain forests, mangroves, coral reefs, wetlands, estuaries. This is the reason for more biodiversity in western ghats, Posted by Sibani Dash 1 day, 16 hours ago, Posted by Asfiya Siddiqui 1 day, 16 hours ago, Posted by Eshita Sahu 3 days, 4 hours ago, Posted by Akshit Pathania 3 days, 1 hour ago, Posted by Sibani Dash 2 days, 3 hours ago, Posted by Drishty Kamboj 1 day, 16 hours ago, Posted by Pankaj Kumari 3 days, 1 hour ago, .btn { The Western Ghats in India are home to several species of caecilians. Tables 2 and 3 provide the endemic and non-endemic amphibians of the Western Ghats with IUCN criteria. Habitat loss affects the amphibians more greatly than other animal groups because it requires both the habitat for its survival. The Western Ghats are home to thousands of animal species including at least 325 globally threatened species. when vast number of amphibians were described from . padding: 5px; Southwest monsoon rainfall acts as source for many major rivers which makes it very fertile forming rainforests. The diversity of organisms sharing the same habitat or community is termed as (a) alpha diversity (b) beta diversity (c) gamma diversity (d) delta diverstiy Answer: (a) alpha diversity