As a result, in recent years much of the demand has been met by poachers in india. Ppt loss of biodiversity powerpoint presentation free. Increased biodiversity is also linked to greater buffering against perturbations, helping to ensure ecosystem stability 7, 8. In addition to members of the national science board involved in this study, the work of the task force benefited significantly from the contributions of dr. The negative effects of biodiversity loss on ecosystem functioning is often trophically mediated, with the loss of a few species of large animals having an effect of similar magnitude as loss of many plant species. Species interactions drive fish biodiversity loss in a highco 2 world. Biodiversity underpins ecosystem function and the provision of ecosystem services. The top threats to species identified in the report link directly to human activities, including habitat loss and degradation and the excessive use of wildlife such as overfishing and overhunting. Biodiversity comprises the diversity of life on earth across genes, species and. Throughout the tropics these are all increasing in intensity, but the main threats are from habitat loss, such as deforestation, and overharvesting. In addition, students could create psas public service announcements for their posters and upload to so they can make qr codes that are glued to each poster.
The population of these species is very small in the world and they are restricted to limited areas or thinly scattered over a wider area. Download a pdf of perspectives on biodiversity by the national research council for free. Published by wwf every two years, the report brings together a variety of research to provide a. Nearly 45,000 species of plants and twice as many of animals have been recorded from india. Biodiversity of malaria in the world download ebook pdf.
This article provides a brief overview of the recent loss of biodiversity in india. Reduction in biodiversity can affect decomposition rates, vegetation biomass production and, in the marine environment, affect fish stocks 15, 16, 17, 18. For example, fish stocks are dwindling, forest loss is resulting in the loss of many species, land and other resources are being misused, leading to various long terms costs. The main cause of the loss of biodiversity can be attributed to the influence of human beings on the worlds ecosystem. That is what makes our country one of the 12 mega diversity countries of the world. Click download or read online button to get biodiversity of malaria in the world book now. There are many threats to our natural world, which include. Taking peru as a case study, this paper analyses causes and effects of biodiversity loss based on local expert knowledge in order to identify necessary policy adjustments for improved biodiversity. Biodiversity definition biological diversity means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part.
Biodiversity hotspots will include areas of high biodiversity importance as well as degraded land and urban areas and therefore more detailed. I am immensely grateful to jean fanfan, marielena gutti and valerie. It is not possible to stop loss of biodiversity unless all the development ministries and agencies work together to take up the challenge. The loss of biodiversity is dangerous and its consequences are immediate. Download pdf here loss of biodiversity about threefourth of the human population resides in the tropical regions which occupy only about onefourth of the total area of the world. The current loss of biodiversity can be attributed to several different factors. Production of oxygen, reducing carbon dioxide, maintaining the water cycle, protecting soil are important services.
Another treaty known as the convention in the trade of endangered species cites intends to reduce the utilization of endangered plants and animals by controlling trade in their products. This section looks at a biodiversity definition and a loss of biodiversity definition, causes of loss of biodiversity, loss of biodiversity effects, biodiversity loss solutions and biodiversity loss facts. World s best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. This site is like a library, use search box in the widget to get ebook that you want. Feb 08, 2016 035 loss of biodiversity in this video paul andersen explains how biodiversity measures the variety of genes, species, and ecosystems on the planet. Introduction to biodiversity center for biodiversity. This is a global scale approach based on coarse scale ecoregions that therefore, has limited use for sitescale assessment and decision making. Other sources document the extent of illegal, smallscale and unreported.
There is growing concern about the health consequences. Biodiversity loss and its impact on humanity nature. Causes of biodiversity lossaccording to most sources, the major directcauses of humaninduced biodiversity lossare1. Saving life on earth center for biological diversity. Species interactions drive fish biodiversity loss in a high. Biodiversity can be measured through the use of quantitativeindicators, although no single unified approach exists. Alterations in ecosystem composition, such as the loss or decline of a species, can lead to a loss of biodiversity. The diversity of societies, cultures and languages that has developed throughout human history is intimately related to biodiversity and its use. The living planet report documents the state of the planetincluding biodiversity, ecosystems, and demand on natural resourcesand what it means for humans and wildlife. The main cause of the loss of biodiversity can be attributed to the influence of human beings on the world s ecosystem fishing and hunting, changing the biogeochemical cycles, fish stocks are dwindling, forest loss is resulting in the loss of raw materials, land use change, climate change, invasive species, overexploitation, and pollution.
The colonisation of tropical pacific islands by human beings has led to the extinction of more than two thousand species of native birds. The world now acknowledges that the loss of biodiversity contributes to global climatic changes. The iucn red list 2004 document the extinction of 784 species in the last 500 that. The world is losing biodiversity fastest from the tropics. The loss of biodiversity brought about irreversible consequences of gene pool depletion, which is attributed to the rapid destruction of habitats. Species interactions drive fish biodiversity loss in a. Loss of biodiversity download ebook pdf, epub, tuebl, mobi. Biodiversity loss is being experienced across all earths major biomes well. Biodiversity and conservation although india h as only 2. Likewise, biodiversity loss describes the decline in the number, genetic variability, and variety of species, and the biological communities in a given area. For terrestrial environments, empirical research suggests a general, positive relationship between biodiversity and ecosystem services gamfeldt et.
An ebook is one of two file formats that are intended to be used with ereader devices and apps such as amazon kindle or apple ibooks. Biological diversity commonly referred to as biodiversity is the variety of life forms on earth which is composed of the number of species of plants, animals and microorganism, the enormous diversity of genes in these species, the different ecosystems on the planet, such as deserts, rainforests, savannah and coral reefs the beehive, 2011. Pbl rapport 500197001 rethinking global biodiversity strategies. Habitat loss and destruction, usually as a direct result of human activity and population growth, is a major force in the loss of species, populations, and ecosystems. This loss in the variety of life can lead to a breakdown in the functioning of the ecosystem where decline has happened. Biodiversity is the result of 3 billion 800 million years of evolution, and it is essential for the survival of mankind. The role of indigenous peoples in biodiversity conservation. It recommends and details a list of componentsincluding diversity of species, genetic variability within and among species, distribution of species across the ecosystem. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Conserving fish diversity in these ecosystems requires protecting mosaics of both aquatic habitats and floodplain vegetation, with sufficient forest cover being critically important. In 2002, governments set 2010 as a deadline to achieve a significant reductionin the rate of loss of biodiversity for reducing poverty. Biodiversity loss increases our vulnerability to natural disasters. This article throws light on the ten major causes for the loss of biodiversity, i. Loss of biological diversity national science foundation.
Smith, consultative group on biodiversity, new york, dr. Study on understanding the causes of biodiversity loss and the. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. The latest biodiversity news is included at the foot of the page. Fortunately, india which is rich in biodiversity is also capable of making good use of it in biotechnology and genetic engineering.
Jan 19, 2014 the loss of biodiversity is increasing. The main cause of the loss of biodiversity can be attributed to the influence of human beings on the worlds ecosystem fishing and hunting, changing the biogeochemical cycles, fish stocks are dwindling, forest loss is resulting in the loss of raw materials, land use change, climate change, invasive species, overexploitation, and pollution. International agreements such as world heritage convention attempts to protect and support many hotspots of biodiversity in different parts of the world. The iucn red list 2004 document the extinction of 784 species in the last 500 that include 359 invertebrates, 338 vertebrates and 87 plants. The latter phenomenon can be temporary or permanent, depending on whether the environmental degradation that leads to the loss is reversible through ecological restoration ecological resilience or.
In fact we depend on nature for many fundamental resources, among which food, building materials, heating, textile fibres and the active ingredients of medicinal products. Two decades ago, at the first earth summit, the vast majority of the worlds nations declared that human actions were dismantling the earths ecosystems. Introduction to biodiversity center for biodiversity outcomes. Biodiversity enriches our lives it has economic, cultural, recreational, religious and aesthetic importance across the world. Pdf biodiversity losses and conservation responses in the. Biodiversity also underpins ecosystem function and the provision of ecosystem services. The report presents a sobering picture of the impact human activity has on the world s wildlife, forests, oceans, rivers, and climate. We at the center for biodiversity outcomes at arizona state university address this need for broad participation through our commitment to interdisciplinary collaboration and multistakeholder engagement, while drawing on a long history of conservation biology research at asu. Understanding the causes of biodiversity loss and the policy assessment framework executive summary this report examines some real world situations where causes of biodiversity loss are explained by an interaction of a variety of socioeconomic forces and, what turns out to. Pdf loss of biodiversity and conservation strategies. Biodiversity loss is the extinction of species plant or animal worldwide, and also the local reduction or loss of species in a certain habitat. It was prepared by claudia sobrevila, senior biodiversity specialist in the environment department of the world bank.
Biodiversity loss and its impact on humanity university of michigan. Pdf biodiversity loss and its impact on humanity researchgate. A the effects of water loss on biodiversity b the drought in kenya from 2007 to 2009 c the distribution of the world s fresh water d the effects of population growth on the water supply. Biodiversity loss therefore threatens the provision of goods and services provided by ecosystems. Loss of biodiversity deforestation throughout indonesia. How water loss affects biodiversity eccles science. Biodiversity conservation provides substantial benefits to meet immediate human needs, such as clean, consistent water flows, protection from floods and storms and a stable climate. Biodiversity loss list of high impact articles ppts. Consensus statement one there is now unequivocal evidence that biodiversity loss reduces the efficiency by which ecological communities capture biologically essential resources, produce biomass, decompose and recycle. Study on understanding the causes of biodiversity loss and.
In addition, biodiversity is embedded in human cultures and is fundamental for our understanding of the world. The year 2010 has long been seen as an end goal, a time when we could look back and say, yes, weve done it that biodiversity, life on earth, is no longer threatened. Case studies on coastal ecosystems and biodiversity loss. Living planet report 2018 pages wwf world wildlife fund. Moreover, some aspects of biodiversity loss are not easily measured, for instance the fact that the same species are increasingly found at different locations on the planet and that overall biodiversity is decreasing.
The benefits that stem from high levels of biodiversity are well founded. Click download or read online button to get loss of biodiversity book now. Efforts to prevent biodiversity loss may deliver multiple benefits for the planet, people, and the economy. The main cause of the loss of biodiversity can be attributed to the influence of human beings on the world s ecosystem, in fact human beings have deeply altered the environment, and have modified the territory, exploiting the species directly, for example by fishing and hunting, changing the biogeochemical cycles and transferring species from one area to. Many activities indispensable for human subsistence lead to biodiversity loss, and this trend is likely to continue in the future. Biodiversity is the variety of different forms of life on earth, including the different plants, animals, microorganisms, the genes they contain and the ecosystem they form. Pdf on dec 1, 2016, pia sethi and others published loss of biodiversity find, read and cite all the research you need on researchgate. Jun 11, 20 causes of biodiversity lossaccording to most sources, the major directcauses of humaninduced biodiversity lossare1.