Biodiversity of india, biodiversity hotspots of india pmf ias. Global assessment report on biodiversity and ecosystem services. This is a global scale approach based on coarse scale ecoregions that therefore, has limited use for sitescale assessment and decision making. Hotspots of species richness, endemism, and extinction threat. This book written by international experts from different disciplines comprises general chapters on diversity and its measurement, human impacts on biodiversity hotspots on a global. These hotspots include 49955 endemic species which account for about 20% of worlds total plant species, mittermeir and werner 1990 on the basis of species richness put forth the concept of mega diversity centres. Lessons from the north american coastal plain article pdf available in diversity and distributions 212.
Global forecasts of urban expansion to 2030 and direct. Estimates place the global species diversity at several million. All biodiversity hotspots contain at least one global 200 ecoregion. Given are name of hotspot, running number id corresponds with table and fig. Biodiversity refers to the variety and variability among all groups of living organisms and ecosystem complexes in which they occur. Global urban expansion to 2030 although urban population growth is a global. Indoburma is one of the most threatened biodiversity hotspots, due to the rate of resource exploitation and habitat loss. At the global scale, conservation priorities are well established as 34 biodiversity hotspots 2, i. Biodiversity of india, biodiversity hotspots of india. Biodiversity hotspots for conservation priorities nature. According to ci, to qualify as a hotspot a region must meet. Biodiversity hotspots for conservation priorities pdf. Areas which exhibit high species richness as well as high species endemism are termed as hot spots of biodiversity.
Hotspots of species richness, endemism, and extinction threat were noncongruent. More than 70 per cent of all the species recorded are animals, while plants including algae, fungi, bryophytes, gymnosperms and. Pdf how global biodiversity hotspots may go unrecognized. To improve restoration outcomes for cerrado biodiversity, greater attention needs to be paid to the re. The critical role of hotspots foods, engineering prototy pes, and other products that enhanc e human lives and address our most pressin g problems. Vertebrates serve as backup support, and also to determine congruence and to facilitate other comparisons among the hotspots. This book written by international experts from different disciplines comprises general chapters on diversity and its measurement, human. Biodiversity hotspots are areas that support natural ecosystems that are largely intact and where native species and communities associated with these ecosystems are well represented. Pdf evaluating global biodiversity hotspots very rich and even. Geographic distribution of biodiversity healingearth. List of global hotspots of biodiversity biology discussion.
Therefore, operations that occur within global biodiversity hotspots should follow rigorous biodiversity assessments to prevent further biodiversity loss within these areas. Biodiversity and its conservation are among the main global topics in science and politics and perhaps the major challenge for the present and coming generations. More than 99 percent of all species that ever lived on earth are estimated to be extinct. Global biodiversity hotspot california floristic province unique and threatened biodiversity most of the state of california lies within a biodiversity hotspot called the california floristic province, an area of diverse vegetation. These areas are the biodiversity hotspots, 36 regions where success in conserving species can have an enormous impact in securing our global biodiversity. The forests and other remnant habitats in hotspots represent just 2. They are also areas with a high diversity of locally endemic species, which are species that are not found or are rarely found outside the hotspot. At the global scale, conserva tion priorities are well established as 34 biodiversity hotspots2, i. Biodiversity and conservation although india h as only 2. Many global organizations are working to conserve these biodiversity hotspots, such as the world wildlife foundations global 200 and the critical ecosystem partnership fund.
This book written by international experts from different disciplines comprises general chapters on diversity and its measurement, human impacts on biodiversity hotspots on a global scale, human diversity itself and various. Major parts of the iranoanatolian hotspot include high. China takes centre stage in global biodiversity push. Global biodiversity is the measure of biodiversity on planet earth and is defined as the total variability of life forms. Stork and jan christian habel, can biodiversity hotspots protect more than tropical forest plants and vertebrates. Ipbes is to perform regular and timely assessments of knowledge on biodiversity and ecosystem services and their interlinkages at the global level. Biodiversity hotspots pennsylvania state university. Many of these are heavily threatened by habitat loss and other human activities. The iranoanatolian region and the caucasus region are two global biodiversity hotspots mittermeier et al. Biodiversity biodiversity loss is expected to continue to 2030, particularly in asia and africa.
Global warming and extinctions of endemic species from. Out of them, eastern himalaya and western ghats are mostly located within indias territory. Future of endemic flora of biodiversity hotspots in india. Apr 10, 2018 biodiversity hotspots of the world these hotspots regions support a rich biodiversity because of geologic formations and endemic flora and fauna and also exhibit exceptional scientific interest. India shares its territories into three biodiversity hotspots viz.
Pdf hotspots, which have played a central role in the selection of sites for reserves, require careful rethinking. A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation norman myers wrote about the concept in two articles in the environmentalist 1988, and 1990 revised after thorough analysis by myers and others hotspots. Approximately 28% of the total indian flora and 33% of angiosperms occurring in india are endemic. A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is. Biodiversity hotspots department of agriculture, water and. Dec 19, 2006 hotspots, which have played a central role in the selection of sites for reserves, require careful rethinking. Ales hrdina and dusan romportl, evaluating global biodiversity hotspots very rich and even more endangered, journal of landscape ecology, 10, 1, 2017.
Global changes are predicted to have severe consequences for biodiversity. A biodiversity hotspot is a region with a high amount of biodiversity that experiences habitat loss by human activity. How global biodiversity hotspots may go unrecognized. Biodiversity hotspots are also used by major foundations and the global environment facility gef to target investments in global conservation. In the indoburma biodiversity hotspot, india shares only a small part in north east india. Dec 12, 2014 india is one of the 12 mega biodiversity countries of the world, which represents 11% of worlds flora in about 2. A relatively small number of countries 17 have less than 10% of the global surface, but support more than 70% of the biological diversity on earth. Hotspots of biodiversity refer to biogeographic regions where significant levels of biodiversity with richness and unusual concentration of endemic species are found, however, they are threatened with mindless exploitation and destruction. More importantly, the expanded criteria require that a hotspot contains endemic plant species comprising at least 0. Cepf grantees work in developing and transitional countries in the worlds biodiversity hotspotssome of earths most biologically diverse yet threatened terrestrial areas. These five hotspots, with four others, contain endemics amounting to 30. Hotspots of biodiversityareas particularly rich in species, rare species, threatened species, or some combination of these attributesare increasingly being delineated to help set priorities for conservation. Business relevance legal and compliance an area is not required to have legal protection for identification as a hotspot.
In order to qualify as a biodiversity hotspot, according to conservation international, a region must contain at least 1,500 species of vascular plants 0. In 2005, an additional analysis brought the total number of biodiversity hotspots to 34, based on the work of nearly 400 specialists. Only about 5% of natural habitats remain in relatively pristine condition, with another 10 to 25% of the land in damaged, but ecologically functional, condition. May 02, 2019 according to iucn 2004, the total number of plant and animal species described so far is slightly more than 1. Global mammal distributions, biodiversity hotspots, and conservation gerardo ceballos and paul r.
Parties to the convention on biological diversity agreed to pro. Pdf monitoring conservation effectiveness in a global. This article is a qualitative as well as a quantitative advance on a preliminary effort5,6, which limited itself to vascular plants in 18 hotspots. Dec 19, 2006 we then compare congruence of hotspots in two animal groups mammals and birds to assess the generality of these patterns. This term was introduced by myers in 1988, who has presently recognized twentyfive such hotspots of biodiversity on a global level.
In order to qualify as a biodiversity hotspot, according to. Hotspots within a global biodiversity hotspot areas of. The western ghats are one among 36 global biodiversity hotspots and forests in this region sequester atmospheric carbon, which aid in moderating the global climate and sustaining water to ensure. Nov 15, 2016 biodiversity hotspots are areas that support natural ecosystems that are largely intact and where native species and communities associated with these ecosystems are well represented. Mittermeier ra, turner wr, larsen fw, brooks tm, gascon c 2011 global biodiversity conservation. Includes the entire indian himalayan region and that falling in pakistan, tibet, nepal, bhutan, china and myanmar 2. Tropical forests, which play critical roles in global biogeochemical cycles, radiation budgets and biodiversity, have undergone rapid changes in land cover in the last few decades. Ocean health is critical for human wellbeing but is threatened by multiple stressors. A large proportion of the species waiting to be discovered are in the tropics. Since 2001, cepf has funded conservation in 24 of the 36 hotspots. The forests and other remnant habitats in hotspots. A major goal in conservation biology is to determine areas of rich biodiversity 1. Global mammal distributions, biodiversity hotspots, and. That is what makes our country one of the 12 mega diversity countries of the world.
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