Presentation Summary : Species Richness & Diversity Species richness is the number of different species in an area. View by Category Toggle navigation. Grade Level: 7th grade – 8th grade . 9 Levels of Diversity. diversity within species, between species and of ecosystems • “Normal language”: Biodiversity is essentially the richness of life on earth: the species that inhabit the earth, the genetic material they contain and the habitats in which they live. Community diversity is further divided into three levels. Mathematically, it can be explained by the equation Icon Set Of Wild And Farm Animals Zoo Wildlife Species Diversity . Species diversity is the effective number of different species that are represented in a collection of individuals (a dataset). Genetic diversity Variations of genes within a species. Last, we examined how counts of focal species change with dune age among herbaceous species and woody species. And the more closer a species is related to another, the more genetic information the two species will share. Download Share Share. Definition. Alpha diversity ; Beta diversity; Gamma Diversity ; Magnitude of Biodiversity . Keywords: Biodiversity, bioinformatics, diversity patterns, drivers of change, ecosystem diversity, ecosys-tem services, e-Science, GBIF, monitoring. 3. See our Privacy Policy and User Agreement for details. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Genetic diversity is all the different genes contained in all the living species, including individual plants, animals, fungi, and microorganisms. Presentations. Ecosystem diversity refers to the variety of habitats, communities, and ecological processes Genes are the bits of biochemical information that partly determine how an organism looks, behaves, and live… 2. However, species richness increases with sample size. Levels of BiodiversityBiodiversity is the variety of all species, their genetic information they contain and the ecosystems they form.There are three levels of biodiversity:• Genetic diversity is the total genetic informationcontained in the genes of all the species. Biodiversity can be studied and described at three levels species diversity, ecosystem diversity, and genetic diversity. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Alpha diversity refers to the diversity within a particular area or ecosystem, and is usually expressed by the number of species (i.e., species richness) in that ecosystem. PPT PowerPoint slide PNG larger image ... Levels of diversity according to Ne, percentage of polymorphic loci, I, He and uHe were greatest in CIAT breeders’ germplasm, followed by the CIAT genebank . 13.1 BACKGROUND PROBLEMS . Factors controlling species diversity are usually presented as a laundry list without organization-for instance, "The tropics have more species than the temperate zones because of greater stability and reduced seasonality and higher productivity and more diverse resources and ...." This paper instead proposes a fourfold grouping offactors, termed the QQID approach. DIVERSITY-Ecology- PPT – Global Patterns of Species Diversity PowerPoint presentation | free to view - id: 123f0a-NTQyM. Species Richness =Variety of species or the number of different species (or genera, families, etc.). We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. BIODIVERSITY: definition, levels and threats, No public clipboards found for this slide. It occurs within a species as well as between species. Get the plugin now. Species diversity number of species in a given area. Species Diversity; Ecological Diversity; Let us now look at these classifications in more detail. fore when one level of diversity may be predicted using the other. Biodiversity can be considered in THREE levels (1). Species diversity is the same as species richness except that Biodiversity. Taxonomic Diversity. See our User Agreement and Privacy Policy. I used simulation models to investigate the parallel influence of locality area, immigration rate, and environmental heterogeneity on species diversity and genetic diversity. Measuring Species Diversity 1. Thus one can define biodiversity as the degree of variety in nature with regards to biological species. In all the differences within and between ecosystems to strong positive species-genetic diversity correlations ( SGDCs.... Your clips levels ( 1 ) represented in a species actual number of species within a.... Gamma diversity ; Let us now look at these classifications in more detail at the genetic level each! 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