Biological diversity or biodiversity is the variety of the earths living organisms, the genes they contain and the ecosystems they compose this includes the different species of plants, animals and microorganisms that make up an ecosystem biodiversity is a key element in the earth's biosphere. This free environmental studies essay on essay: biodiversity is perfect for environmental studies students to use as an example species variation, or ecosystem variation, within an area, biome, or planet studies of human diversity have shown that most genetic diversity was found between individuals rather than between populations or. A diversity index takes into account the number of species present, as well as the abundance of each species species diversity should not be confused with species. Biodiversity, or biological diversity, is a term coined to describe the immense variety and richness of life on this planet biodiversity includes not only the many species that exist, but also the diversity of populations that make up a species, the genetic diversity among individual life forms.
Composition, like diversity and similarity, is a variable that is not measured in the field, it is one that is calculated attribute based on plant measurements composition is defined as the proportions (%) of various plant species in relation to the total on a given area. Biodiversity is not evenly distributed, rather it varies greatly across the globe as well as within regions among other factors, the diversity of all living things depends on temperature, precipitation, altitude, soils, geography and the presence of other speciesthe study of the spatial distribution of organisms, species and ecosystems, is the science of biogeography. A biodiversity essay sample is the first thing to consider before writing the paper of your own see how the author structures the writing and conveys his ideas see how the author structures the writing and conveys his ideas.
Read this science essay and over 88,000 other research documents tree structure and species diversity in a deciduous forest the deciduous forest can be found all over the globe it is found primarily in eastern north america, middle. The diversity of species, life forms, lifecycles and strategies for growing and repro- ducing, affects the micro-environment energy flow and nutrient cycles for each ecosystem landscape diversity is the variety and patterns of ecosystems and communities across a hillside, watershed or. Biodiversity or biological diversity is variety and variability among living organism and ecological complexes in which they occur this concept can be subdivided into three levels (i) genetic diversity: biodiversity includes the genetic variation within species it is among separated population. Lab on species diversity sample essay or any similar topic only for you order now 6 a investigation which measured wet content was so inserted within the quadrat at 3 different topographic points 7 the 3 readings obtained were recorded and the norms were calculated 8 the country within the quadrat was so dug to a deepness of 10cm 9.
The concept behind a keystone species is that they support species diversity through their presence, activities and abundance within the community (mills etal 1993) if a disturbance happens within the community and the keystone species disappears, the organization and diversity drastically shifts. According to the definition given by the world wildlife fund (1989), biological diversity is “the diversity of life forms on earth, millions of species of plants, animals, micro-organisms and their gene sets and complex ecosystems that make up the wildlife. There are more than 20,000 species of ants, 3,00,000 species of beetles, 28,000 species of fishes and 20,000 species of orchids 2 according to edward wilson (a sociobiologist), biodiversity is the combined diversity at all the levels of biological organisation. The fact that human beings are a species means that they depend on many other species that exist in the world if an animal becomes extinct, this can have a knock on effect to other species, and humans would inevitably be affected by the species becoming extinct we will write a custom essay sample on biomes and diversity specifically for.
Diversity index is a mathematical measure of species diversity in a community diversity indices provide more information about community composition than simply species richness (i e , the number of species present. An investigation into species diversity at lake alice, florida the effect of island size and the impact of human disturbance on species number and diversity the main objective of this investigation is to determine the effect of island size and human disturbance on the diversity and general. Essay on tree structure and species diversity in a deciduous forest north american deciduous forests are much less diverse in the number of tree and animal species in comparison to the biodiversity which is found within a tropical rain forest. Biodiversity means the species of life on our mother earth and the ecological processes that support the diversity of ecosystems the goal of this research paper is to understand the importance of biodiversity and the effects of deforestation on biodiversity.
Species diversity is defined as the number of species and abundance of each species that live in a particular location the number of species that live in a certain location is called species. Species diversity a diverse ecosystem is a stable ecosystem without it an ecosystem would have a much harder time recovering from disturbances and resisting perturbations to measure diversity it is as simple as using a formula called the simpsons diversity index in the lab we surveyed two. The deciduous forest can be found all over the globe it is found primarily in eastern north america, middle europe, southwest russia, japan, and china but smaller scale deciduous forests can also be found in southeastern australia, southern south america, and new zealand.
Ecosystem diversity or ecological diversity (species richness) is the number of species in a community of organisms the indian regions (8°-30°n and 60°-975°e) with a total area of 329 million is indeed very rich in biological diversity. Ecosystem diversity essay examples biodiversity the first on is genetic diversity refers to the genetic variation that occurs among members of the same species two species diversity (taxonomic diversity) refers to the variety of species or other taxonomic groups in an ecosystem three ecosystem diversity refers to the variety of biological. Essay on cultural diversity cultures change and cultural diversity is created, maintained and lost over time social learning and choosing, acquiring and assimilating and rejecting information and knowledge is a necessary aspect of the formation of cultural repertoire. Biodiversity essay 4 (250 words) biodiversity, also referred to as biological diversity, is the variety of different species of flora and fauna living on earth.