Looks like you’ve clipped this slide to already. 2000b). See our User Agreement and Privacy Policy. See our Privacy Policy and User Agreement for details. SPECIES DIVERSITY - number or variety of species in a particular region. Sixteen sites of Bhitarkanika mangrove areas were surveyed for the collection of roots and soil samples. Genetic Diversity, Species Diversity & Ecosystem Diversity are types of Biodiversity.Biodiversity is of mainly three types which are above mentioned. First, different species may be favoured in competition with different genotypes of the dominant, such that genetic diversity represents a form of spatially varying selection; this is the ‘diversity begets diversity’ hypothesis (Whittaker 1975) recast to cross organizational levels from genes to species. There are two constituents of species diversity: 1. Option C: Biodiversity in Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Now customize the name of a clipboard to store your clips. Seedlings of mangrove species were tested for AM colonization through root clearing and staining technique. species diversity, functional diversity, and ecosystem functioning 203 across a range of species richness from 1 to 32 (Fig. No two individuals belonging to the same species are exactly similar. It is the degree of variation of life forms within a ecosystem or Biome or entire planet called BIODIVERSITY. Now customize the name of a clipboard to store your clips. This ecosystem alone hosts over 10,000 species of plants, almost 200 species of mammals, over 600 species of birds, and about 800 species of fish. 5. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The term differs from biodiversity, which refers to variation in species rather than ecosystems. Species diversity is the number of different species that are represented in a given community (a dataset). Ecosystem diversity involves different part of ecosystem like niches, trophic levels, energy flow, food chain and recycling of nutrients. Tropical areas have greater species richness as the environment is conducive for a large number of species 2. • The ecosystems of the world are maintained by their biodiversity. Species diversity and; Community or Ecosystem diversity . Herbivores strongly influence plant communities and ecosystem processes in a variety of habitats, often changing vegetation composition, species diversity and productivity (Milchunas, Sala & Lauenroth 1988; McNaughton et al. If you continue browsing the site, you agree to the use of cookies on this website. We here review research on speciation in freshwater fishes in light of speciation theory, and place this in a context of broad-scale diversity patterns in freshwater fishes. Conservation of habitat diversity usually leads to the conservation of species and genetic diversity… Increased species biodiversity is also known as species richness. Genetic diversity B. INTRODUCTION The term Biodiversity was first coined by Walter G. Rosen in 1986. Looks like you’ve clipped this slide to already. Colder regions support less than the warmer regions for species diversity. However, no theories predict the conditions under which different relationships between species diversity and genetic diversity might arise and therefore when one level of diversity may be predicted using the other. The name of an ecosystem doesn't automatically imply that all the species in that ecosystem are the same everywhere in the world. 17.3(b)) (Diemer et al . Biology 120 lectures for 2nd exam 2012 2012, Traditional versus Modern Biotechnology (Exam 2 coverage), No public clipboards found for this slide. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Species diversity - number of different species that are represented in a given community (a dataset) -incorporates both the number of species in a community (species richness)and the evenness of species‘ abundances. Species diversity refers to the number of different species that are represented in a given community while ecosystem diversity refers to the variety of different ecosystems within an area. Genetic Diversity. Hundreds of studies spanning terrestrial, aquatic, and marine ecosystems show that high-diversity mixtures are approximately twice as productive as monocultures of the same species and that this difference increases through time. These definitions indicates the main difference between species diversity and ecosystem diversity. Diversity is greatest when all the species present are equally abundant in the area. It is basically the variety of species expressed at the genetic level by each individual in a species. High diversity among types of ecosystems means that there will also be a high diversity of species themselves. Option C: Biodiversity in Ecosystems Habitat Diversity The range of different habitats in an ecosystem, community or biome associated with the variety of niches that may be exploited by different species. Species richness:Number of different species present in an ecosystem. A study was carried out to assess the species diversity of arbuscular mycorrhizal (AM) fungi in different salinity zones of Bhitarkanika mangroves of Orissa, India. •Where is biodiversity greatest . 1997; Spehn et al . •Why is biodiversity important? Species evenness- is the abundance of the individual members within a … Species richness is a term which is used to measure the biodiversity of a given site. Thus an ecosystem is a community of different species interacting with one another and with their non living environment and one another and with their non- living environment exchanging energy and matter. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Species diversity is a major determinant of ecosystem productivity, stability, invasibility, and nutrient dynamics. Clipping is a handy way to collect important slides you want to go back to later. Species evenness: Relative abundance of in… When we consider ecosystems, diversity is sometimes used to mean how may different species there are in a community. The Definitive Guide to Diversity Types in the Workplace in 2020 [updated October 2020] This is the ultimate guide to Diversity Types in the Workplace in 2020.The same guide can be applied to the society, community about all aspects of diversity.The guide I will cover: The effective number of species refers to the number of equally abundant species needed to obtain the same mean proportional species abundance as that observed in the dataset of interest (where all species may not be equally abundant). The variation among organisms on Earth is called biological diversity, or biodiversity. 3.ECOSYSTEM DIVERSITY: • ECOSYSTEM level deals with species distributions and community patterns. • What is biodiversity ? These differences are due to differences in the combination of genes. Ecosystems An ecosystem that has greater species biodiversity contains more ecological niches. Genetic diversity - A species with different genetic characteristics is known as a sub-species or "genera". For example, in the species of human beings, each human shows a lot of diversity in comparison to another human. Species diversity C. Ecosystem diversity 3 Types of Biodiversity 12. Individuals that belong to the same species are able to mate and produce offspring that are fertile. Fig. 1. Species diversity depends as much on the genetic diversity as on the environmental condition. For example, there is a large region of dry forest and savanna in Brazil known as the Cerrado (see Figure Cerrado Forest). Main Difference – Genetic Diversity vs Species Diversity. Biological diversity, abbreviated as Biodiversity, represent the sum total of various life forms such as unicellular and multi cellular organisms at various biological levels. - A range of different things. • It is the variety of different habitats/ecosystems in a particular area (e.g.. wetland, woodland, grassland). Species Ecosystem diversity is the effective number of different species that are represented in a collection of individuals diversity refers to the diversity of a place at the level of ecosystems. See our User Agreement and Privacy Policy. Each species is specialized to a type of ecosystem … Introduction. Example Animals cannot synthesis their food directly but depend on the plants either directly or indirectly. Species diversity is best describe as a combination of richness and evenness. Glossary; Whittaker (1972) described three terms for measuring biodiversity over spatial scales: alpha, beta, and gamma diversity. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Even within a single ecosystem, the numbers of species can be impressive. Ecosystem Biodiversity is further divided into three parts i) Alpha Biodiversity, ii) Beta Biodiversity iii) Gamma Biodiversity Biodiversity is the variety and variability among living organisms and the ecological complexes on the planet. the number of different species ; the relative numbers of individuals of each species. If you continue browsing the site, you agree to the use of cookies on this website. Within individual species, there are varieties, that are slightly different from one other. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime. Type of biodiversity 1. No public clipboards found for this slide. You can change your ad preferences anytime. Species Diversity • The number and variety of life forms present in a biological community • About 8.7 million organism in our diversity Species Richness – is the number of different kinds of species in a particular are. Genetic diversity is the variation in the genetic composition of individuals in a population, community or species • Evolves as a result of many different processes: e.g. If you continue browsing the site, you agree to the use of cookies on this website. Components of species diversity: species richness and relative abundance. The diversity of our biosphere ranges from macromolecules of a cell to different biomes.Genetic diversity, species diversity, and ecological diversity are three types of … Since each species work in many different ways to contribute to a healthy ecosystem, having flaws or a dwindle in species diversity can have serious repercussion to the environment. Functional diversity, which is a subset of this, is measured by the values and range in the values, for the species present in an ecosystem, of those organismal traits that influence one or more aspects of the functioning of an ecosystem. Upcoming SlideShare. more sciencebitz resources on iTunesU and iBooks https://itunesu.itunes.apple.com/enroll/DEZ-HWS-HNJ https://itun.es/gb/ymzI6.n. Clipping is a handy way to collect important slides you want to go back to later. Biological diversity is a key concept in the life sciences and plays a fundamental role in many ecological and evolutionary processes. Species diversity is defined as the number of different species present in an ecosystem and relative abundance of each of those species. The extraordinary species richness of freshwater fishes has attracted much research on mechanisms and modes of speciation. 1 Conceptual diagram of our framework.. Ecosystem homogenization (caused by, for example, human disturbance) results in a change in habitat diversity (A).Because habitats have different physical and chemical characteristics, they are likely associated with different sets of species. 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