Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Climax species"”.
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Discreet dynamical population models : higher dimensional pioneer-climax models
… the basic elements of the model - pioneer and climax species - are described and discussed from an ecological as well as a dynamical systems perspective. An attempt is made to explain why the chosen hierarchical form of the model to explain why the chosen hierarchical form of the model can be …
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Time series analysis of limber pine (Pinus flexilis) health in the U.S. Rocky Mountains in response to white pine blister rust (Cronartium ribicola) and bark beetles
… and 7% had no regeneration of any tree species over the entirety of the study period. The results of this time series indicate that limber pine populations in the U.S. Rocky Mountains are declining due to effects from WPBR and MPB/Ips. Long-term surveys capture the effects of these …
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Dynamics in Discrete Time: Successional Communities, Spatial Models, and Allee Effects
… predictions can aid decision-making regarding species conservation, habitat design, biological control, and other matters related to ecosystem management. In this dissertation, I build and analyze several discrete-time population models, including developing a method for analyzing the spatial …
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Laminated root rot: ecology relationship and stand productivity impacts in coastal Douglas-fir ecosystems of British Columbia
… old growth stand conditions (stand density and species composition), determination of second growth stand origin, and summaries of second growth stand conditions and growth and yield from the 30 to 35yr long PSP records. Phellinus root rot was present in 87% of the 139 sample survey units, while …