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.
Results
Showing 1 to 9 of 9 for “"marine-derived nutrients"”.
-
AMPHIPODS ARE STRONG INTERACTORS IN THE FOOD WEB OF A BROWN-WATER SALMON RIVER
<p>Marine derived biomass from salmon carcasses is incorporated into coastal Pacific Rim salmon river systems via the organisms and structures of the freshwater foodweb. In brown water rivers of Western Kamchatka, the foodweb is dominated by ubiquitous benthic amphipods (Anisogammarus kygi) that …
-
AMPHIPODS ARE STRONG INTERACTORS IN THE FOOD WEB OF A BROWN-WATER SALMON RIVER
<p>Marine derived biomass from salmon carcasses is incorporated into coastal Pacific Rim salmon river systems via the organisms and structures of the freshwater foodweb. In brown water rivers of Western Kamchatka, the foodweb is dominated by ubiquitous benthic amphipods (Anisogammarus kygi) that …
-
Limnological and paleolimnological investigations of environmental change in three distinct ecosystem types, Canadian High Arctic
… significantly higher specific conductivity, nutrients, and dissolved organic carbon than freshwater bodies from the surrounding polar desert. In Chapter 5, I provide an examination of long-term environmental change from Melville Island, a region of the High Arctic for which no …
-
Sedimentary legacy of sockeye salmon (Oncorhynchus nerka) and climate change in an ultra-oligotrophic, glacially-turbid British Columbia nursery lake
… of adults returning to spawn provide important marine derived nutrients (MDN) to freshwater and terrestrial ecosystems through multiple trophic pathways. Sockeye salmon (O. nerka) rear extensively in lakes and recent studies of sockeye nursery lake sediments in Alaska have used indicators of …
-
Sedimentary legacy of sockeye salmon (Oncorhynchus nerka) and climate change in an ultra-oligotrophic, glacially-turbid British Columbia nursery lake
… of adults returning to spawn provide important marine derived nutrients (MDN) to freshwater and terrestrial ecosystems through multiple trophic pathways. Sockeye salmon (O. nerka) rear extensively in lakes and recent studies of sockeye nursery lake sediments in Alaska have used indicators of …
-
An Ecological Comparison Between Resource Subsidies: Pacific Lamprey (<i>Entosphenus tridentatus</i>) and Pacific Salmon (<i>Oncorhynchus</i> spp.)
… that provided resource subsidies in the form of marine-derived nutrients (MDN), thus driving stream food web productivity. To date, many studies in the PNW have focused on Pacific salmon (<em>Oncorhynchus </em>spp.) as a resource subsidy, overlooking other anadromous fish species such as Pacific …
-
The Contribution of Spawning Pacific-salmon to Nitrogen Fertility and Vegetation Nutrition during Riparian Primary Succession on an Expansive Floodplain of a Large River
<p>Floodplain vegetation communities are mosaics of succession stages caused by erosion/redeposition as river channels migrate throughout their floodplains. Typically, plants colonizing alluvial deposits are severely N-limited, but N accumulates during succession, and this process determines long …
-
The Contribution of Spawning Pacific-salmon to Nitrogen Fertility and Vegetation Nutrition during Riparian Primary Succession on an Expansive Floodplain of a Large River
<p>Floodplain vegetation communities are mosaics of succession stages caused by erosion/redeposition as river channels migrate throughout their floodplains. Typically, plants colonizing alluvial deposits are severely N-limited, but N accumulates during succession, and this process determines long …
-
The impacts of alder (alnus spp.) and salmon (oncorhynchus spp.) on aquatic nutrient dynamics and microbial communities in southwestern Alaska
… the regional vegetation. The importance of alder-derived nutrients (ADN) in the tundra is expected to increase as alder cover expands under climate warming, and as salmon harvesting reduces marine-derived nutrients (MDN) in salmon-spawning habitats. I evaluated the drivers and impacts of alder- …