Regional diversity is also calleda)Alpha diversityb)Beta diversityc)Gamma diversityd)Ecosystem diversityCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Gamma Diversity: It is the third category of inventory diversity. It is defined as the diversity of a larger unit such as an island or landscape. It is considered to be the overall diversity of a group of areas of alpha diversity. Gamma diversity equals alpha diversity x beta diversity. Thus, it is the inclusive diversity of all the habitat types within an area (region). The epsilon or regional diversity is defined as the total diversity of a group of areas of gamma diversity.

Answer

Regional diversity is also called as beta  diversity. Alpha diversity refers to average species diversity of habitat. Beta diversity refers to diversity species between two habitats or regions and is given by the ratio between alpha species diversity. Gamma diversity is the total diversity of a landscape. Such as alpha diversity and beta diversity are the components of gamma diversity.

Answer

< b='' />Regional diversity is also called Gamma diversity.< />

Regional diversity refers to the variety of species or ecosystems within a specific geographic region. It is commonly measured using several indices, one of which is gamma diversity. Gamma diversity represents the total number of species or ecosystems in an entire region.

< b='' />Explanation:< />

Regional diversity can be understood by breaking it down into three components: alpha diversity, beta diversity, and gamma diversity.

1. < b='' />Alpha diversity:< /> Alpha diversity measures the diversity within a particular habitat or ecosystem. It quantifies the number of species or ecosystems present in a local area or site. For example, if we study the diversity of bird species in a forest, the alpha diversity will determine the total number of bird species found within that forest.

2. < b='' />Beta diversity:< /> Beta diversity measures the turnover or change in species composition between different habitats or ecosystems within a region. It quantifies the differences in species or ecosystems between different locations. For example, if we compare the diversity of bird species between a forest and a grassland, beta diversity will determine the dissimilarity or turnover of bird species between the two habitats.

3. < b='' />Gamma diversity:< /> Gamma diversity represents the overall diversity of species or ecosystems in an entire region. It encompasses both alpha and beta diversity. It quantifies the total number of species or ecosystems present across different habitats or ecosystems within a region. For example, if we consider the diversity of bird species across multiple forests, grasslands, and wetlands in a region, gamma diversity will determine the total number of bird species across all these habitats.

Therefore, regional diversity is also referred to as gamma diversity because it represents the complete diversity of species or ecosystems within a specific geographic region. It takes into account both the diversity within individual habitats (alpha diversity) and the differences between habitats (beta diversity). Gamma diversity provides a comprehensive understanding of the overall biodiversity in a region and helps in assessing conservation priorities and management strategies.

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