Scribd is the worlds largest social reading and publishing site. The main dangers worldwide are population growth and resource consumption. To help species and ecosystems cope with climate change, oeh developed priorities for biodiversity adaptation to climate change pdf. Another threat from a fragmented landscape is the expansion of nonnative and native weedy species.
Chapter 2 biodiversity, ecosystems and ecosystem services. Threats to biodiversity national center for case study. Future threats to biodiversity and pathways to their prevention. Habitat loss occurs through deforestation, damming of rivers, and other activities. Threats to biodiversity food and agriculture organization of the the main threatsto biodiversity there are five main causes of biodiversity loss.
That is what makes our country one of the 12 mega diversity countries of the world. Despite the efforts of environmentalists, oil palm continues to expand across the tropics. Threats to biodiversity food and agriculture organization of the. The ipbes global assessment on biodiversity and ecosystem services is composed of 1 a summary for policymakers spm, approved by the ipbes plenary at its 7th session in may 2019 in paris, france ipbes7. Addressing the threats to biodiversity from oilpalm. The iucn red list of threatened species is the worlds most comprehensive information source on the global conservation status of animal, fungi and plant species and their links to livelihoods. The average rate over the past 200 my is 12 species per year, and 34 families per my. The human population requires resources to survive and grow, and those resources are being removed from the environment in a way that the environment just cant keep up with.
Ecosystem ppt powerpoint presentation pdf download. Contents introduction threats to biodiversity habitat loss poaching manwildlife conflicts importance of biodiversity questions 3. Global assessment report on biodiversity and ecosystem. Addressing the impacts of climate change on biodiversity will require a longterm effort and new ways of thinking. An ecosystem is the name given to all living species that live together in a stable community, interacting with one another and their physical environment. Industrial agriculture is one of the main threats to biodiversity miguel a. Altieri biotechnology is a threat to biodiversity david kennell overfishing is the biggest threat to marine biodiversity united nations environment programme no, food production. This diversity includes all the variations that exist in all levels of biological organization but bear in mind that biodiversity is more than just species. Values of biodiversity, threats to biodiversity free download as powerpoint presentation. Biodiversity is the variety of living species on earth plants, animals and microorganisms and the ecosystems they form. The global threat to biodiversity from wildlife trade a major 21st century challenge e. Yes, food production activities are harming the earths biodiversity. Integrating proximal and horizon threats to biodiversity. To date, the most significant causes of extinction are habitat loss, introduction of exotic species, and overharvesting.
Preliminary analysis of bc climate trends for biodiversity pdf 2. Loss of biodiversity download ebook pdf, epub, tuebl, mobi. It started from a single biology video posted on youtube that turned out to be quite popular and grew from there. Those concerned about the impacts of oil palm on biodiversity must face some harsh social, economic, and ecological realities. The ten global threats to ecosystem viability references here we are giving you ecosystem ppt with pdf. Nearly 45,000 species of plants and twice as many of animals have been recorded from india. The core threat to biodiversity on the planet is the combination of human population growth and the resources used by that population. It is the diversity in the number and types of genes as well as chromosomes of different species and the. Threats to biodiversity 6 major loss of biodiversity.
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. Biodiversity is under serious threat as a result of human activities. We now know that most species that have ever lived have gone extinct. It refers to genetic variation, ecosystem variation, species variation. Geological history in british columbia pdf 185kb presentations of taking natures pulse. Posted in biology ppt, ecology, ecology ppt, environmental science and tagged biodiversity destruction ppt, causes of biodiversity degradation ppt, ecology ppt, loss of biodiversity, threats to biodiversity ppt. Global biodiversity losses are approaching tipping points of no return species loss is a silent crisis for the planet climate change is accelerating biodiversity loss biodiversity loss is a threat to human food security no. In 2002, governments set 2010 as a deadline to achieve a significant reductionin the rate of loss of biodiversity for reducing poverty. What are major threat factors that affect biodiversity. This site is like a library, use search box in the widget to get ebook that you want. While earths biodiversity is so rich that many species have yet to be discovered, many species are being threatened with extinction due to human activities, putting the earths magnificent biodiversity at risk.
Habitat loss occurs when events, due to natural disasters or human activities, alter a terrestrial or aquatic ecosystem so drastically that many species can no longer. However, the rate of illegal activities in the park is posing serious threats to these resources. As a party to the convention and in fulfillment of its obligation, ethiopia has prepared its nbsap document. Environment conservation journal 163 1928, 2015 issn 09723099 print 22785124 online abstracted and indexed biodiversity. This brief slideshow and guided notes for the hippco threats to biodiversity habitat loss, invasive species, population increase, pollution, climate change, overharvesting is a great starting point for classes studying a loss of biodiversity around the earth. Our goal is to catalyse action for biodiversity conservation by providing information and analysis on the worlds species, including threats. Today, ifad recognizes that biodiversity loss is one of the main threats to smallholders and their communities without biodiversity, livelihoods are not sustainable and food security and nutrition for the entire planet is weakened ifad, 2016a. Biodiversity, ecosystems and ecosystem services 7 biodiversity at a suitable scale, e. There are a number of trends that have led to increasing frequency of disease outbreaks, but it is the links to climate change and biodiversity that.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Biodiversity and threats to it biodiversity and threats to it 4. The core threats to biodiversity are human population growth and unsustainable resource use. Threats to biodiversity free download as powerpoint presentation. Science sauce is a home for science teaching and learning resources. Click download or read online button to get loss of biodiversity book now. This document defines the current status of, pressures on, options for, and priority action to ensure the conservation, sustainable use, and equitable share of. Biodiversity, which literally means the diversity of life, refers to the variety of life forms on earth. A weedy species is one that is already common throughout many types of. Future threats to biodiversity and pathways to their. Click download or read online button to get biodiversity and wetlands book now. The wide variety of species on earth, whether theyre plants, animals or microscopic organisms, are vital to.
August 8, 2008 presentation to iufro conference on biodiversity in forest ecosystems and landscapes held in kamloops. Genetic diversity genetic diversity is found on the genetic level of the same species. National biodiversity strategy and action plan nbsap by each signatory country. Noting also that where there is a threat of significant reduction or loss of biological diversity, lack of full scientific certainty should not be used as a reason for postponing measures to avoid or minimize such a threat. Biodiversity refers to the variety of living species on earth, including plants, animals, bacteria, and fungi. Biodiversity and wetlands download ebook pdf, epub. Posted in biology ppt, ecology, ecology ppt, environmental science and tagged biodiversity destruction ppt, causes of biodiversity degradation ppt, ecology ppt, loss of biodiversity, threats to biodiversity. Pdf the biodiversity, diversity in life forms, suffers greater threat from degradation, habitat fragmentation. The global threat to biodiversity from wildlife trade a. Oilpalm agriculture is the greatest immediate threat to biodiversity in southeast asia. Biodiversity is that part of nature which includes the differences in genes among the individuals of a species. In this case study, students learn about introduced species and how they pose a threat to biodiversity by analyzing the impact of introduced species.
This study investigated different forms of threats facing biodiversity. 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. Biodiversity and conservation although india h as only 2. However, threats to biodiversity such as overexploitation, habitat loss, invasive species, and climate change represent the perceptible causes of extinction that push species into decline, and these causes pose a significant challenge in that they differ across time and space. This report on the biodiversity threats assessment of the western region of ghana contains information obtained from public institutions, individuals, ngos and published and unpublished literature. Ppt biodiversity powerpoint presentation free to download id. However, this is not to say that such measures are mutually exclusive.
Introduction to biodiversity center for biodiversity. Pdf pdf threats to biodiversity hot logging was ranked as the major threat to biodiversity conservation in the park by 42. Threats and risks to biodiversity unesco digital library. Extinction is a natural event and, from a geological perspective, routine. Main threats to biodiversity 08 invasive alien species 14 the impact of climate change in.
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