A summary of biodiversity

International Economic Research Many of the economic forces that profoundly affect the depletion or conservation of biodiversity within a country are transnational in origin. Inthe terms threatened, endangered or rare were used to describe the status of many species.

In particular, these programs need to involve more systematists and other biologists to perform basic research on biodiversity. Thus localities at lower latitudes have more species than localities at higher latitudes. Climate regulation Biodiversity influences climate at local, regional, and global scales, thus changes in land use and land cover that affect biodiversity can affect climate.

Understanding the ongoing impacts of climate change on ecosystems is an essential prerequisite to addressing this challenge. Development agencies often have central bureaus that attempt to anticipate global needs and to apply a global perspective when designing their in-country activities.

Moreover, high-biodiversity agriculture has cultural and aesthetic value and can reduce many of the externalized costs of irrigation, fertilizer, pesticide, and herbicide inputs associated with monoculture agriculture C Currently, only a limited theoretical foundation can be applied to site restoration, and there are very few cases in which these theories have been tested.

The hypothesis was tested with the data collected from different sources and conclusions were drawn. Biodiversity also plays an important role in drug discovery and medicinal resources.

A similar term in the United States is "natural heritage. See also our Digest on Arctic Climate Change 4.

The National Academies Press. For example, we may be able to use plants to provide medicines, and animals to provide alleles to use in animal breeding.

As a result, air tended to rise over the dark more solar-absorptive and therefore warmer heathland, drawing moist air from the wheatlands to the heathlands. This view offers a possible answer to the fundamental question of why so many species can coexist in the same ecosystem.

Yet the cadre of trained taxonomists able to perform this work simply does not exist. This is often referred to as the latitudinal gradient in species diversity.

The origin of life has not been definitely established by science, however some evidence suggests that life may already have been well-established only a few hundred million years after the formation of the Earth.

The latest and most destructive stage of extinction is Holocene extinction, which has occurred due to the impact of human beings on the environment.

Biodiversity

Biodiversity has three essential elements: Increasing associated biodiversity with low- diversity agroecosystems, however, can enhance biological control and reduce the dependency and costs associated with biocides.

An explicit definition consistent with this interpretation was first given in a paper by Bruce A. The Living Planet Index 4.

The dependency of the local people on the biomass resources of the buffer zone forests varies according to the seasonal and altitudinal migration.

Looking for other ways to read this?

Of highest priority are those use patterns and knowledge systems that are changing most rapidly or disappearing, including those of foragers and collectors, particularly tropical forest dwellers and desert nomadic pastoralists; coastal fisherman, strand foragers, and small island villagers; subsistence agriculturalists raising unconventional staple crops; subsistence agriculturalists raising local cultivars and breeds of conventional crops and animals; and groups that have successfully adapted traditional technologies and resource use patterns in developing market opportunities.

Although many strategies for accomplishing this have been advanced, few have undergone scientific scrutiny. Biodiversity is the result of 3. It is increasing with the increase in population.

Many fruits and vegetables require pollinators, thus pollination services are critical to the production of a considerable portion of the vitamins and minerals in the human diet. Screening allows us to determine more systematically the present and potential uses of organisms for appropriate human purposes.

Provisioning services which involve the production of renewable resources e.

Executive Summary

Development agencies should place greater emphasis on, and assume a stronger role in, systematizing the local knowledge base—indigenous knowledge, "gray literature," anecdotal information. For non-cultivated species, genetic diversity is threatened mainly by overexploitation, as well as habitat destruction and fragmentation.

This research should build greater understanding about the relationship between biodiversity and local systems of knowledge and resource use, and should translate this understanding into useful policy and program tools.

Progress toward truly sustainable land use systems requires information on the effect of management options on the ecosystem dynamics, and this information can be gained only through long-term research. Seed banks provide suitable conditions to keep different types of seeds alive for as long as possible.

Habitat destruction is a major cause for biodiversity loss. So a large number of resources and species are traditionally conserved in India.

Looking for other ways to read this?

Long-term ecological research is especially necessary in the tropical ecosystems of the developing world, where few comprehensive investigations have been undertaken. It inspires musicians and artists. Essay on the Loss of Biodiversity Article shared by: Provision of medicines and pharmaceuticals, food for the human population and animals, ornamental plants, wood products, breeding stock and diversity of species, ecosystems and genes.

Biodiversity and ecosystem services fundamentals: A summary presents the six interrelated BES management practices, along with case studies, that illustrate how these practices are being applied across the life cycle of oil and gas projects.

Summary of Topic - biodiversity in ecosystems 1. Topic 4 Conservation and Biodiversity Biodiversity in Ecosystems 2. Biodiversity • Coined by Edward Wilson in the s • It is the number and relative abundance of species in a defined area • It can be measured in terms of: – 1.

Species diversity – 2. The diminishing of the Earth's biological diversity has consequences far more profound than other, sometimes more widely recognized, environmental dilemmas. Because the loss is irreversible—species that are lost are lost forever—the potential impact on the human condition, on the fabric of the.

This Digest is a faithful summary of the leading scientific consensus report produced in by the Convention on Biological Diversity (CBD): ' Global Biodiversity Outlook 2'. Biodiversity preserves three ecological systems -Genetic Diversity: the measure of the variety of different versions of the same genes with individual species -Species diversity: the number of different kinds of organisms (richness) -Ecological diversity: the richness and complexity of a biological community.

The diminishing of the Earth's biological diversity has consequences far more profound than other, sometimes more widely recognized, environmental dilemmas.

Because the loss is irreversible—species that are lost are lost forever—the potential impact on the human condition, on the fabric of the.

A summary of biodiversity
Rated 5/5 based on 32 review
Biodiversity | CourseNotes