Description

this type of distribution the arrange­ment of different types of animal on the earth’s surface is considered, i.e., animal’s distribution both on land and water. This can further be sub-divided into two types: (i) Geographical or Horizontal Distribution over earth’s surface, ADVERTISEMENTS: (ii) Bathymetric or Ver­tical Distribution. (i) Geographical or Horizontal Distri­bution: The distribution of animals on land and fresh water in different continents and on different islands is called geographical or horizontal distribution. (ii) Bathymetric or vertical Distribution: ADVERTISEMENTS: The distribution of animals on the vertical surface of land and water is called the bathymetric or vertical distribution (Fig. 4.35). This type of distribution can be studied under three heads