Upload
garry
View
36
Download
0
Tags:
Embed Size (px)
DESCRIPTION
ESRM 450 Wildlife Ecology and Conservation FOREST STRUCTURE AND DEVELOPMENT Stand Dynamics and Succession. Scale measures or quantifies differences among observations Extent (or range) describes the realized scope of a phenomenon or entity of interest - PowerPoint PPT Presentation
Citation preview
ESRM 450Wildlife Ecology and Conservation
FOREST STRUCTURE AND DEVELOPMENT
Stand Dynamics and Succession
Scale measures or quantifies differences among observations
Extent (or range) describes the realized scope of a phenomenon or entity of interest
Grain (or resolution) describes how finely observations within the extent are divided or distinguished
Edges change over time
Recent edge
Closed edge
Embedded edge
Light is attenuated at forest edges
How does light affect wildlife habitat?
Edges alter laminar wind flow
How does wind affect wildlife habitat?
Extent of edge effects varies by forest type and environmental factor
What factors causethis variability?
Forest development and succession can be modeled in different ways
Oliver & Larson model of stand development following disturbance
Relative positions of canopy strata are important components of stand structure
How can these strata help us interpret wildlife habitat?
Frelich, L.E. and P.B. Reich (1995)Ecological Monographs 65:325-346
Spatial patterns and succession in a Minnesota southern-boreal forest
Southern Boreal Forest
Multiple successional pathways in southern boreal forest
Silviculture can influence the outcome of successional pathways
What information would you need to describe successional pathways?