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File PDF document Bogan 2001.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan 2008.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan et al 2006.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan et al 2009.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan Hoeh 1994.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan Hoeh 2000.pdf
Located in Resources / TRB Library / BLY-BRA
File PDF document Bogan Williams 1986.pdf
Located in Resources / TRB Library / BLY-BRA
Video Pascal source code Boone Watershed Partnership
Video by the Tennessee Valley Authority.
Located in Training / Videos and Webinars
File PDF document BOTANY AND A CHANGING WORLD: INTRODUCTION TO THE SPECIAL ISSUE ON GLOBAL BIOLOGICAL CHANGE
The impacts of global change have heightened the need to understand how organisms respond to and influence these changes. Can we forecast how change at the global scale may lead to biological change? Can we identify systems, processes, and organisms that are most vulnerable to global changes? Can we use this understanding to enhance resilience to global changes? This special issue on global biological change emphasizes the integration of botanical information at different biological levels to gain perspective on the direct and indirect effects of global change. Contributions span a range of spatial scales and include both ecological and evolutionary timescales and highlight work across levels of organization, including cellular and physiological processes, individuals, populations, and ecosystems. Integrative botanical approaches to global change are critical for the eco- logical and evolutionary insights they provide and for the implications these studies have for species conservation and ecosys- tem management. Key words: community dynamics; flowering phenology; functional traits; global biological change; invasive species; land-use patterns; plant–microbial interactions; species interactions.
Located in Resources / Climate Science Documents
File PDF document Both population size and patch quality affect local extinctions and colonizations
Currently, the habitat of many species is fragmented, resulting in small local populations with individuals occasionally dispersing between the remaining habitat patches. In a solitary bee metapopulation, extinction probability was related to both local bee population sizes and pollen resources measured as host plant population size. Patch size, on the other hand, had no additional predictive power. The turnover rate of local bee populations in 63 habitat patches over 4 years was high, with 72 extinction events and 31 colonization events, but the pollen plant population was stable with no extinctions or colonizations. Both pollen resources and bee populations had strong and independent effects on extinction probability, but connectivity was not of importance. Colonizations occurred more frequently within larger host plant populations. For metapopulation survival of the bee, large pollen plant populations are essential, independent of current bee population size.
Located in Resources / Climate Science Documents