ECOLOGY
BIODIVERSITY AND ITS CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Rectangular parabola
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Rectangular hyperbola
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Straight line/linear
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Sigmoid
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Detailed explanation-1: -On a logarithmic scale, the species area relationship is a straight line described by the equation log S = log C + Z log A.
Detailed explanation-2: -Species-Area relationship deals with species richness and explored area. Species richness is directly proportional to the area that is explored by species. Mathematically it is represented as Log S = Log C + Z Log A.
Detailed explanation-3: -The species-area relationship or species-area curve describes the relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area.
Detailed explanation-4: -Species richness is directly proportional to area and increases exponentially with increase in area. S=CAz. Here S is species richness, A is explored area, C and Z are constants. By taking log on both sides, we get the equation log S = log C + Z log A.
Detailed explanation-5: -The slope of regression in species-area relationship predicts species richness of an area. It indicates the dependency of species richness on the area as higher slope reflects higher dependency of the area. Taking into account of a large area, such as country, the slope is almost linear with the area.