Essay on bio diversity

Essay on bio diversity

Essay on Biodiversity – Biodiversity is the presence of different species of plants and animals on the earth. Moreover, it is also called biological diversity as it is related to the variety of species of flora and fauna. Biodiversity plays a major role in maintaining the balance of the earth. Furthermore, everything depends upon the biological diversity of different plants and blogger.comted Reading Time: 3 mins + Words Essay on Conservation of Biodiversity. Conservation of biodiversity is vital for maintaining the Earth’s environment and sustaining life on the planet. There are a number of ways in which the richness of biodiversity helps in maintaining the ecological system. Conservation of biodiversity is important for the survival of living beings on blogger.comted Reading Time: 4 mins Essay on Biodiversity – Essay 1 ( Words) Introduction: Biodiversity also known as biological diversity is the variables that exist among several species living in the ecosystem. These living organisms include marine, terrestrial and aquatic life. Biodiversity aims to understand the positions these organisms occupy in the broader blogger.comted Reading Time: 10 mins

Essay on Biodiversity: 8 Selected Essays on Biodiversity

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 essay on bio diversity 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. living in a wide range of ecosystems. The diversity may be interspecific within species and interspecific in between the species but these are well supported by ecosystem.

It is seen that the diverse living forms of the ecosystem essay on bio diversity modulated with the global environmental changes, essay on bio diversity. There are three interrelated hierarchical levels of biodiversity namely, genetic diversity, species diversity and community or ecosystem diversity. It describes the variation in the number and types of genes as well as chromosomes present in different species.

The magnitude of variation in genes of a species increases with increase in size and environmental parameters of the habitat. The genetic variation arises by gene and chromosome mutation in individuals and in sexually reproducing organisms and it is spread in the population by recombination of genetic materials during cell division after sexual reproduction.

It describes the variety in the number and richness of the spices with in a region. The species richness may be defined as the number of species per unit area. The richness of a species tells about the extent of biodiversity of a site and provides a means for comparing different sites.

The species richness depends largely on climatic conditions. The number of individuals of different species with in a region represents species evenness or species equitability. The product species richness and species evenness give species diversity of a region. When a species is confined entirely to a particular area, it is termed as endemic species. It describes the assemblage and Interaction of spices living together and the physical environment a given area.

It relates varieties of habitats, biotic communities ecological processes in biosphere. It also tells about the diversity within the ecosystem.

It is referred as Land escape diversity because it includes placement and size of various ecosystems. For example, the landscapes like grass lands, deserts, mountains etc. show ecosystem diversity. The ecosystem diversity is due to diversity of niches, trophic levels and ecological processes like nutrient cycling, food webs, energy flow, role of dominant species and various related biotic interactions. Such type of diversity can generate more productive and stable ecosystems or communities capable of tolerating various types of stresses e.

drought, flood etc, essay on bio diversity. It describes a range of communities due to replacement of species which arises due to the presence of different microhabitats, essay on bio diversity and environmental conditions. As per available data, the varieties of species living on the earth are Wild life Institute of India has divided it into ten biogeographical regions and twenty five biotic provinces.

India is one of the twelve mega diversity nations of the world due essay on bio diversity the following reasons:. i It has 7. ii It has different mammals, species of birds- different reptiles, amphibians and 45, plants spices. iv It has 10 different biogeographical regions and 25 biotic provinces having varieties of lands and species, essay on bio diversity. v In addition to geographical distribution, geological events in the land mass provide high level of biological diversity.

vii There is wide variety of domestic animals like cows, buffaloes, goats, sheep, pigs, horses etc. ix There are a number of hot spots namely Eastern Ghats, Western Ghats, North Eastern hills etc. Biodiversity produces a number of products harvested from nature and sold in commercial markets.

Indirectly it provides economic benefits to people which include water quality soil protection, equalisation of climate, environmental monitoring, scientific research, recreation etc.

The consumptive value can be assigned to goods such as fuel woods, leaves, forest products etc. which may be consumed locally and do not figure in national and international market. The loss of biodiversity directly influences the social life of the country possibly through influencing ecosystem functions energy flow and biogeochemical cycle.

This be easily understood by observing detrimental effects of global warming and acid rain which cause an unfavorable alteration in logical processes.

Aesthetic values such as refreshing fragrance of the flowers, taste of berries, softness of mossed, melodious songs of birds, etc. compel the human beings to preserve them. Similarly botanical and zoological gardens are the means of biodiversity conservation and are of aesthetic values. Since earth is homeland of all living organisms, all have equal right to coexist on the surface of earth with all benefits. Unless some legal value is attached to biodiversity, it will not be possible to protect the rapid extinction of species.

Biodiversity must be seen in the light of holding ethical value, essay on bio diversity. Since man is the most intelligent amongst the living organisms, essay on bio diversity, it should be prime responsibility and moral obligation of man to preserve and conserve other organisms which will directly or indirectly favour the existence of the man. Biodiversity holds great ecological value because it is indispensable to maintain the ecological balance. Essay on bio diversity disturbance in the delicately fabricated ecological balance maintained by different organisms, will lead to severe problems, which may threaten the survival of human beings.

Biodiversity has great economic value because economic development depends upon efficient and economic management of biotic resources. In the day to day life, human beings are maintaining their lifestyle at the sacrifice of surrounding species which come essay on bio diversity diversity of plants and animals struggling for their existence. So, it is highly essential for the human beings to take care of their surrounding species and make optimum use of their service, for better economic development.

Thus, it is rightly told, survival of the man depends upon the survival of the biosphere. Biodiversity has the following uses for the development humanity:.

vi It is very essential for natural pest control, maintenance of population of various species, pollination by insects and birds, nutrient cycling, essay on bio diversity, conservation and purification of water, formation of soil etc. All these services together are valued Biodiversity is considered as a reservoir of resources to be used for the manufacture of food, medicine, industrial products, etc.

But with an increased demand of rapid population growth, biodiversity is gradually depleting. The different factors responsible for causing threat to biodiversity are as follows:. The primary cause of loss of biodiversity is habitat loss or destruction which is resulted due to the large industrial and commercial activities associated with agriculture, essay on bio diversity, irrigation, construction of dams, mining, fishing etc.

With increased population, the habitats essay on bio diversity fragmented into pieces by roads, fields, canals, power lines, towns etc. The isolated fragment of habitats restricts the potential of species for dispersal and colonization. In addition, the habitat fragmentation also brings about microclimatic changes in light, temperature, essay on bio diversity, wind etc. The most dreaded factor inducing loss of biodiversity is environmental pollution which include air pollution, Water pollution, industrial pollution, pollution due to chemical Pastes, pesticides radioactive materials etc.

The natural resources are over exploited to meet growing rural poverty, intensive technological growth and globalization of economy. All these factors together may be responsible for the extinction of a number of species.

It is seen that some exotic species may kill or eat the native species thereby causing its extinction. Since the animals are more vulnerable to infection, the anthropological activities may increase the incidence of diseases in wild species, leading to their extinction.

The shifting or Jhum cultivation by poor tribal people greatly affects the forest structure which is a store house of biodiversity. Biodiversity is being depleted by the loss of habitat, fragmentation of habitat, over exploitation of resources, human sponsored ecosystems, climatic changes, pollution invasive exotic spices, diseases, shifting cultivation, essay on bio diversity, poaching of wild life etc.

Since the human beings are enjoying all the benefits from biodiversity, they should take proper care for the preservation of biodiversity in all its form and good health for the future generation i.

Conservation of biodiversity is protection, upliftment and scientific management of biodiversity so as to maintain it at its threshold level and derive sustainable benefits for the essay on bio diversity and future generation. In other words, conservation of bio-diversity is the proper management of the biosphere by human beings in such a way that it gives maximum benefits for the present generation and also develops its potential so as to meet the needs of the future generations.

The following strategies should be undertaken in order to con­serve biodiversity:. There are two types of conservation methods namely in-situ and ex-situ conservations.

Let us discuss the different conservation methods along with their importance. The conservation of species in their natural habitat or natural ecosystem is known as in situ conservation. In the process, the natural surrounding or ecosystem is protected and maintained so that all the constituent species known or unknown are conserved and benefited.

The factors which are detrimental to the existence of species concerned are eliminated by suitable mechanism. b It offers a way to preserve a large number of organisms simultaneously, known or unknown to us. The only disadvantage of in situ conservation is that it requires large space of earth which is often difficult because of growing demand for space.

The protection and management of biodiversity through in situ conservation involve certain specific areas known as protected areas which include national parks, Sanctuaries and Biosphere reserves. The protected areas are biogeographical areas where biological diversity along with natural essay on bio diversity cultural resources are protected, maintained and managed through legal and administrative measures.

The demarcation of biodiversity in each area is determined on the basis of climatic and physiological conditions. In these areas, essay on bio diversity, hunting, firewood collection, timber harvesting etc. are prohibited so that the wild plants and animals can grow and multiply freely without any hindrance. Some protected areas are: Cold desert Ladakh and SpitiHot desert TharSaline Swampy area Sunderban and Rann of KutchTropical moist deciduous forest Western Ghats and north East etc.

Protected areas include national parks, sanctuaries and biosphere reserves. There are 37, protected areas throughout the world. As per World Conservation Monitoring Centre, India has protected areas, national parks and sanctuaries. These are the small reserves meant for the protection of wild life and their natural habitats. These are maintained by government. The area of national parks ranges between 0.

The boundaries are well demarcated and circumscribed. The essay on bio diversity like grazing forestry, cultivation and habitat manipulation are not permitted in these areas.

Essay on Biodiversity

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

Essay on Biodiversity – Biodiversity is the presence of different species of plants and animals on the earth. Moreover, it is also called biological diversity as it is related to the variety of species of flora and fauna. Biodiversity plays a major role in maintaining the balance of the earth. Furthermore, everything depends upon the biological diversity of different plants and blogger.comted Reading Time: 3 mins College admissions essay questions, how to write an intro for a descriptive essay. Research paper on women's rights essay biodiversity on The short, essay on rural economy. Research papers on inventory management. Conclusion on immunization essay: what makes a case study good. Long essay on car accident The on essay short biodiversity + Words Essay on Conservation of Biodiversity. Conservation of biodiversity is vital for maintaining the Earth’s environment and sustaining life on the planet. There are a number of ways in which the richness of biodiversity helps in maintaining the ecological system. Conservation of biodiversity is important for the survival of living beings on blogger.comted Reading Time: 4 mins