Download Habitat Management

Habitat Selection?
 Based on instinct
 Evolution limits to certain area
 Animals make choices based on “range
of tolerance”
 Wildlife Managers take advantage of
these choices
Edge
 Contact area
between two
types of
habitat
Types of Edge
 Inherent Edge Occurs without
management
 Induced Edge Controlled by
management
Edge Effect (Aldo Leopold)
 Edges have greater:
 Diversity of life
 Number of
organisms
 Important for game
management
Ecotone
 Transition area where
two different habitats
blend together
Types of Habitat Destruction
 Perforation
 Dissection
 Fragmentation
 Shrinkage
 Attrition
Effects of Habitat Destruction
 Increased:
 Isolation
 Number of “generalist”
species
 Decreased:
 Biodiversity
 “Specialist” species
 Large range species
Species With Increased Extinction Risk
 “Specialists”
 Large space requirements
 Low reproductive rate
 Economic value
 Found in few areas