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Articles 31 - 34 of 34
Full-Text Articles in Biology
Bioluminescence In The High Arctic During The Polar Night, J. Berge, A.S. Båtnes, G. Johnsen, S.M. Blackwell, Mark A. Moline
Bioluminescence In The High Arctic During The Polar Night, J. Berge, A.S. Båtnes, G. Johnsen, S.M. Blackwell, Mark A. Moline
Biological Sciences
This study examines the composition and activity of the planktonic community during the polar night in the high Arctic Kongsfjord, Svalbard. Our results are the first published evidence of bioluminescence among zooplankton during the Arctic polar night. The observations were collected by a bathyphotometer detecting bioluminescence, integrated into an autonomous underwater vehicle, to determine the concentration and intensity of bioluminescent flashes as a function of time of day and depth. To further understand community dynamics and composition, plankton nets were used to collect organisms passing through the bathyphotometer along with traditional vertical net tows. Additionally, using a moored bathyphotometer closed …
A Collaborative Approach To Investigate Site Fidelity, Home Range, And Homing Behavior Of Cabezon (Scorpaenichthys Marmoratus), Carlos Mireles, Royden Nakamura, Dean Wendt
A Collaborative Approach To Investigate Site Fidelity, Home Range, And Homing Behavior Of Cabezon (Scorpaenichthys Marmoratus), Carlos Mireles, Royden Nakamura, Dean Wendt
Biological Sciences
Understanding the area use requirements of species targeted for protection by marine protected areas (MPAs) is critical to the future conservation efforts of economically important fish species. Knowledge of home range size and site fidelity is essential in determining whether species will benefit from the protection offered by a MPA, the size of the area needed to protect individuals, and the extent to which surrounding unprotected areas may be supplemented through post-recruitment movement or “spillover”. We utilized a traditional mark and recapture approach, along with GIS spatial analysis to investigate the site fidelity, home range, and homing behavior of the …
New Metrics For Managing And Sustaining The Ocean’S Bounty, Heather Tallis, Sarah E. Lester, Mary Ruckelshaus, Mark Plummer, Karen Mcleod, Anne Guerry, Sandy Andelman, Margaret R. Caldwell, Marc Conte, Stephen Copps, David Fox, Rod Fujita, Steven D. Gaines, Guy Gelfenbaum, Barry Gold, Peter Kareiva, Choong-Ki Kim, Kai Lee, Michael Papenfus, Scott Redman, Brian Silliman, Lisa Wainger, Crow White
New Metrics For Managing And Sustaining The Ocean’S Bounty, Heather Tallis, Sarah E. Lester, Mary Ruckelshaus, Mark Plummer, Karen Mcleod, Anne Guerry, Sandy Andelman, Margaret R. Caldwell, Marc Conte, Stephen Copps, David Fox, Rod Fujita, Steven D. Gaines, Guy Gelfenbaum, Barry Gold, Peter Kareiva, Choong-Ki Kim, Kai Lee, Michael Papenfus, Scott Redman, Brian Silliman, Lisa Wainger, Crow White
Biological Sciences
Policies are arising around the world, most recently in the United States, that mandate the implementation of marine spatial planning as a practical pathway towards ecosystem-based management. In the new United States ocean policy, and several other cases around the globe, ecosystem services are at the core of marine spatial planning, but there is little guidance on how ecosystem services should be measured, making it hard to implement this new approach. A new framework is shown here for practical, rigorous ecosystem service measurement that highlights contributions from both natural and social systems. The novel three-step framework addresses traditional shortcomings of …
Mycorrhizal Colonization Of Hypericum Perforatum L. (Hypericaceae) From Serpentine And Granite Outcrops On The Deer Isles, Maine, Naveed Davoodian, Jason Bosworth, Nishanta Rajakaruna
Mycorrhizal Colonization Of Hypericum Perforatum L. (Hypericaceae) From Serpentine And Granite Outcrops On The Deer Isles, Maine, Naveed Davoodian, Jason Bosworth, Nishanta Rajakaruna
Biological Sciences
Given the paucity of literature on plant-fungal interactions on serpentine soils and limited investigation of serpentine geoecology in eastern North America, we examined mycorrhizal colonization of Hypericum perforatum from adjacent serpentine and granite outcrops on the Deer Isles, ME to determine whether plants were differentially colonized based on substrate. We coincided our sampling with three phenologic stages of H. perforatum (preflowering, flowering, postflowering) to determine possible differences in colonization based on plant phenology. The levels of mycorrhizal colonization in H. perforatum were not significantly different between serpentine and granite sites, while levels of colonization in postflowering plants were significantly higher …