Biodiversity and its types pdf

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biodiversity and its types pdf

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Biodiversity & Its Types

Biodiversity is the foundation of ecosystem services to which human well-being is intimately linked. No feature of Earth is more complex, dynamic, and varied than the layer of living organisms that occupy its surfaces and its seas, and no feature is experiencing more dramatic change at the hands of humans than this extraordinary, singularly unique feature of Earth. This layer of living organisms—the biosphere—through the collective metabolic activities of its innumerable plants, animals, and microbes physically and chemically unites the atmosphere, geosphere, and hydrosphere into one environmental system within which millions of species , including humans, have thrived. It follows that large-scale human influences over this biota have tremendous impacts on human well-being. It also follows that the nature of these impacts, good or bad, is within the power of humans to influence CF2.

Biodiversity: Types, Importance and Conservation Methods (with diagram)

Because of these characteristics, biodiversity plays a fundamental role in maintaining the aesthetic value of the environment, the integrity of the natural environment, and promotes the overall well-being of all plant and animal life. This calls for the need for biodiversity conservation for the survival of all living things and their natural habitat. We should preserve every scrap of biodiversity as priceless while we learn to use it and come to understand what it means to humanity. A single species of organisms with diverse genetic diversity portray more adaptability and survival mechanism against adverse environmental conditions compared to organisms of a single species with the same genetic make-up. Species diversity refers to the variety of organisms in the environment.

The number and variety of organisms found within a specified geographic region. The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity — or biodiversity — is the term given to the variety of life on Earth. It is the variety within and between all species of plants, animals and micro-organisms and the ecosystems within which they live and interact. Biodiversity comprises all the millions of different species that live on our planet, as well as the genetic differences within species. It also refers to the multitude of different ecosystems in which species form unique communities, interacting with one another and the air, water and soil.

The term biodiversity was coined as a contraction of biological diversity by E. Wilson in Biodiversity may be defined as the variety and variability of living organisms and the ecological complexes in which they exist. In other words, biodiversity is the occurrence of different types of ecosystems, different species of organisms with the whole range of their variants and genes adapted to different climates, environments along with their interactions and processes. Biodiversity includes the genetic variability for which different varieties of spices have appeared in the course of evolution and diversity of life forms such as plants, animal microbes, etc.

The Definition

Biodiversity is also known as biological diversity. Biodiversity is the variety of all species on our planet. It includes different plants, animals, birds and micro-organisms, their genes, their habitats and all the ecosystems forests, grass-lands, lacks, ponds, rivers, wet-lands etc. Biodiversity or biological diversity includes variety within and among organisms of the ecological systems they comprise. Biodiversity can be classified under three levels ;.

Biodiversity loss , also called loss of biodiversity , a decrease in biodiversity within a species , an ecosystem , a given geographic area, or Earth as a whole. Biodiversity , or biological diversity , is a term that refers to the number of genes , species, individual organisms within a given species, and biological communities within a defined geographic area, ranging from the smallest ecosystem to the global biosphere. A biological community is an interacting group of various species in a common location. Likewise, biodiversity loss describes the decline in the number, genetic variability, and variety of species, and the biological communities in a given area.

Biodiversity loss includes the extinction of species plant or animal worldwide, as well as the local reduction or loss of species in a certain habitat , resulting in a loss of biological diversity. Global extinction is being driven by human activities which overreach beyond the planetary boundaries as part of the Anthropocene and has so far been proven to be irreversible. Even though permanent global species loss is a more dramatic and tragic phenomenon than regional changes in species composition , even minor changes from a healthy stable state can have dramatic influence on the food web and the food chain insofar as reductions in only one species can adversely affect the entire chain coextinction , leading to an overall reduction in biodiversity , possible alternative stable states of an ecosystem notwithstanding.

To ensure the site displays correctly, please use a more modern browser, like Firefox or Google Chrome. Biodiversity is the sum of all the different species of animals, plants, fungi and microbial organisms living on Earth and the variety of habitats in which they live. Scientists estimate that more than 10 million different species inhabit Earth.


Biological diversity. Biodiversity means variation of life on Earth, from variation of genes and other biomolecules to variation of species and ecosystems, variation in the biosphere, the relatively thin layer of life covering Earth. The concept of biodiversity becomes more accurate when we think of another major variation in nature, geological variation or geodiversity, that is, variation in rocks, minerals, soils, and landforms. Actually, geodiversity, as well as variations in climate, radiation, temperature, moisture, and local hydrosphere, influences ecosystems and their variation, biodiversity on ecosystem level. United Nations has declared the years — as United Nations Decade on Biodiversity UNDB because of the seriousness of the increasing loss of biodiversity, extinction of

Oh, the beauty of a forest! The pleasure of walking through it, enjoying the smells of the flowers and the wild; watching the insects flitting about and listening to the birds chirp - how we all love it and wish to return to it again and again. It is this biodiversity that we have to protect and take care of in order to enjoy the joy of it all.

Oh, the beauty of a forest! The pleasure of walking through it, enjoying the smells of the flowers and the wild; watching the insects flitting about and listening to the birds chirp - how we all love it and wish to return to it again and again. It is this biodiversity that we have to protect and take care of in order to enjoy the joy of it all. But what is biodiversity? Biodiversity is the variety and differences among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are a part. This includes genetic diversity within and between species and of ecosystems. Thus, in essence, biodiversity represents all life.

Bio-diversity: Definition, classification, threats to biodiversity and its conservation. Variation is the law of nature. It occurs everywhere and every moment.


  • its first appearance at the National Forum on BioDiversity in September,. , the proceedings reproduce with any other kinds of organisms (e.g.,. Haliaeetus​. Canadiangal45 - 24.05.2021 at 06:16