importance of species diversity

Species diversity takes into consideration species richness, which is the total number of different species in a community. It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary. There are numerous reasons why species diversity is essential. Species research for solutions to medical problems is an age-old endeavor. Traditional medicine continue to play an essential role in health care, especially in primary health care. There is an urgent need to reconsider the importance of diversity. The ability to create new crop varieties relies on the diversity of varieties available and the accessibility of wild forms related to the crop plant that can be bred with existing varieties. #146 Assessing species diversity There are 2 types of sampling: random sampling and systematic sampling. looked across more than 3000 square kilometers for relationships between biodiversity and crop pollination (see the Perspective by Kremen). Some habitats, such as rainforests and coral reefs, have many species. Species diversity refers to the measure of diversity in an ecological community. Australia is renowned for its globally distinct ecosystems, made up of diverse flora and fauna. Many species, such as insects, remain largely undiscovered. In other words, genetic diversity can be said to the capability of the species which can adapt to the varying changes in the environment. Species diversity. In Australia, more than 80% of plant and animal species are endemic, which means that they only occur naturally in Australia. This species often feeds on the ground; therefore, the greater species richness in the undergrowth is an important component of its occurrence. 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. Importance of biodiversity for health research and traditional medicine. 1* Mahantesh Kamatyanatti, 2 Shailesh Kumar Singh and 3 Bhallan Singh Sekhon . Random sampling. A new Importance-Diversity Index is proposed as an enhancement to the traditional Shannon’s diversity index. More specifically, genetic diversity can be a species natural defense system against disease and survival even under extreme weather conditions but more importantly, genetic diversity can help weed out unfavorable traits in species which maximizes opportunities for thriving in any environment [2]. It represents the species richness or number of species found in an ecological community, the abundance (or number of individuals per species), and the distribution or evenness of species. Importance of Species Diversity. Genetic diversity is the total number of genetic characteristics in the genome of a species. Around 150,000 species have been formally described in Australia, but this is only about 25 per cent of the total number present. It is both a property of the living and an essential condition for its survival. With between 3 and 30 million species on earth, here are the reasons why they are important. If a fire tears through a forest where only one species exists and is wiped out by the fire, the forest ecosystem is less likely to deal with this loss than if only one out of 20 species disappeared. ( 2006 ) showed that stand structure and shrub and herb coverage were essential habitat variables for hazel grouse occurrence in … ... explain the importance of random sampling in determining the biodiversity of an area . Gustav Paulay in 2003 described the marine species diversity of Guam, some 1,200 km from Palau with a relatively complete listing, providing a “nearby” geographic comparison to Palau. For example, bees are primary pollinators. Genetic diversity is the raw material for evolutionary adaptation in a species and is represented by the variety of genes present within a population. Perhaps one year, one population does well and in another year a different population does well. A.8. The pursuit of compounds that could lead to breakthrough drugs features prominently in the development of the Nagoya Protocol on Access and Benefit-Sharing in the Convention on Biological Diversity . Importance of species diversity, pollination and . Winfree et al. The importance of genetic diversity. The importance of species diversity for human well-being in Europe. Recent studies have shown that plant genetic diversity can be important for ecosystem functioning and in some cases its effects are compara-ble in magnitude to the effects of species diversity (Crutsinger et al., 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. Each species has a role in the ecosystem. Biodiversity includes not only species we consider rare, threatened, or endangered but also every living thing—from humans to organisms we know little about, such as microbes, fungi, and invertebrates. The proposed index incorporates an importance weight to each species of organisms found in an ecosystem. Ecologists have long questioned how this diversity is maintained. gender identification for boosting date production . With the aid of the keystone structure concept we are able to abandon the discussion of ‘keystone vs. non‐keystone species’ (see Hurlbert, 1997) and focus on spatial structures that are provided by specific species: for ecosystem function and species diversity a given structure itself is important, independent of whether it is made up of one or several ecologically similar species. The importance weights are derived Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species, it ranges widely from the number of species to differences within species and can be attributed to the span of survival for a species. Healthy ecosystems and rich biodiversity: Increase ecosystem productivity; each species in an ecosystem has a specific niche—a role to play. Genetic diversity B. Some ecologists view diversity indices with suspicion, questioning whether they are biologically meaningful. Many still do, but many do not. Habitat simplification, species loss and species succession often enhance communities vulnerabilities as a function of environmental receptivity to ill health. Most cultures, at least at some time, have recognized the importance of conserving natural resources. Ecological communities characteristically contain a wide diversity of species with important functional, economic and aesthetic value. A.9. It is not a simple wealth. Species diversity is the variety of species within a habitat or a region. Q.9. Our biodiversity is very important to the well-being of our planet. Species diversity is a measurement of biological diversity to be found in a specific ecological community. Species diversity C. Ecosystem diversity 3 Types of Biodiversity 12. Ecosystems such as parks and other protected areas also provide recreation and a knowledge resource for visitors, and biodiversity is a frequent source of inspiration for artists and designers. Global importance. When discussing the influence of rare species, it is important to consider how rarity is defined because definitions vary across studies and conservation strategies. Definition of Genetic Diversity Genetic diversity is the diversity or variability within species… Classic theory shows that stable coexistence requires competitors to differ in their niches; this has motivated numerous investigations of ecological differences presumed to maintain diversity. What is the significance of genetic variation in the Rauwolfia vomitoria plant? A species’ potential to adapt to changing environments or new diseases depends on this genetic diversity. Loss of habitat diversity thus potentially leads to loss in species diversity (the union of the species in all habitats, indicated by different symbols) (B). Numerous studies have shown that biodiversity is necessary for ecosystem function. 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