Transcript Document

Landscape Ecology
(EEES4760 & EEES6760)
DES, University of Toledo, Spring 2009
Instructor:
Dr. Jiquan Chen, Ph: 530-2664;
E-mail: [email protected]
Please email me for any comments and additional suggestions for
your future endeavors in landscape study!
Guest Lecs:
Class web:
Ranjeet John & Nan Lu
http://research.eeescience.utoledo.edu/lees/teaching/eees4760_09/
Overview: from theory to applications
Landscape ecology has been featured with patch-corridor-matrix
dogma -- a landscape is composed of multiple ecosystems. It is
theorized that new structural and functional features would
emerge when >2 ecosystems are placed together
Chen & Saunders 2006
The Patch-Corridor-Matrix Framework
-- N. American View of landscapes --
Bio-View
Geography/Geoscience
spatial earth processes
landforms
climate
Geo-View
Landscape  (Ecosystems)
Or
Landscape Ecology
multiple ecosystems
(Ecosystems)  Landscape
ecosystem interactions
broad scales
pattern-process relationships
applied
multidisciplinary
Ecosystem Science
mass and energy flows
Ecology
biota
environment
Why?
Understanding a landscape
Understanding a landscape
Are we satisfied with
this product?
Understanding a landscape
Is this structure of the landscape
interesting and how was it created?
Understanding a landscape
Is this structure of the landscape
interesting and how was it created?
Understanding a landscape
Can we create a
similar landscape
structure?
What impacts can this
structure have?
Chen & Saunders 2006
Landscape Structure: patch-corridor-edge-matrix framework
(FRAGSTATS, Fractals, Wavelet, Semivariance/Kriging, etc.)
• Patch Patterns
• Edges and AEI
• Roads and Streams
• Fragmentations
Landscape Process: movements of materials, energy and species
across landscape
Landscape Dynamics: change over time
Landscape Models: HARVEST, Neutral Model, Moose, Tree2.0,
LANDIS, etc.
Landscape Management: mimicking natural processes and
arrange land mosaics in time and space
Landscape Analysis:
• FRAGSTAT
• Remote Sensing
Pattern-Process Relationships:
• Fire and land mosaics
• Species and structure (e.g., invasions)
• Water and carbon
• Gene flow and structure (not covered)
• Landscape production
Landscape is an area that is spatially heterogeneous in at least
one factor of interest.
Landscape Ecology emphasizes the interaction between spatial
pattern and ecological processes — that is, the causes and
consequences of spatial heterogeneity across a range of scales
(Turner et al. 2000) .
•Not a science
•Broader scales (mostly spatial)
•Multiple ecosystems, their spatial arrangement
and interactions
•Applied scientific discipline
•Multidisciplinary
Circle of Knowledge Creation
The process of generating new
knowledge comes full circle only
when scientific understanding has
been integrated into management
and lessons from application are
transferred back to validate or
inform research studies. It is
through this complete process
that theories emerge.
Tress et al. (2005)
Advancing landscape ecology by developing sound theories,
principles, and applications
Process dynamics in
general
Edge influences
theory
Silbernagel et al. (2006)
Advancing landscape ecology by developing sound theories,
principles, and applications
Scaling - based on
examples in this book
Silbernagel et al. (2007)
Advancing landscape ecology by developing sound theories,
principles, and applications
Landscape experimentation
(based on CNNF studies)
Is there a barrier
here?
Silbernagel et al. (2007)
Advancing landscape ecology by developing sound theories,
principles, and applications
Moving toward application
Modeling & visualization methods have led to progress
in science
Silbernagel et al. (2007)
Advancing landscape ecology by developing sound theories,
principles, and applications
Research application & transfer strong in this area
Take Home Messages
• Long-term commitment
• Persistent efforts for a landscape study
• Wiliness to collaborate
Weaker in theory development &
progress in science
• Readiness for any opportunity
Silbernagel et al. (in press)
Landscape Ecology
A Necessity Science in Environmental Studies
N. Inner Mongolia
N. Wisconsin
Colorado
S. Santiago, Chile
Denver
Idaho