搜索结果: 1-15 共查到“海洋生物学 ecosystem”相关记录27条 . 查询时间(0.031 秒)
Long-Term Impacts of Anthropogenic Forcing on the Black Sea Ecosystem
Anthropogenic Forcing Black Sea Ecosystem
2015/7/27
The Black Sea, a nearly enclosed and isolated environment, has suffered from severe ecological changes during the last three decades. It has been converted from an oligotrophic (less than 100 grams of...
Black Sea Ecosystem Response to Climatic Teleconnections
Black Sea Ecosystem Climatic Teleconnections
2015/7/27
Marine ecosystems respond to climate changes at all trophic levels, from primary producers to herbivores to higher predators, in terms of growth, life history traits, and population dynamics (Stensth ...
Coastal Sediment Dynamics and River Discharge as Key Factors Influencing Coastal Ecosystem Productivity in Southeastern Lake Michigan
Coastal Sediment Dynamics River Discharge Coastal Ecosystem Productivity Southeastern Lake Michigan
2015/7/22
A central question addressed by the Episodic Events in the Great Lakes Experiment (EEGLE) was the extent to which the spring phytoplankton bloom in southern Lake Michigan is influenced by a recurrent ...
Oceanic Ecosystem Time-Series Programs: Ten Lessons Learned
Ten Lessons Learned Time-Series Programs
2015/7/8
Since its creation within UNESCO a half-century ago, the Intergovernmental Oceanographic Commission (IOC) has been at the vanguard of ocean observation, serving to promote international cooperation, c...
Seamount Ecosystem Evaluation Framework (SEEF):A Tool for Global Seamount Research and Data Synthesis
Seamount Ecosystem Evaluation Framework Global Seamount Research Data Synthesis
2015/7/7
The Seamount Ecosystem Evaluation Framework (SEEF) is an innovative multidisciplinary tool developed to standardize the parameters by which seamounts are characterized, to report the extent of knowled...
By now, there is no mistaking that the oceans are in peril. But, how do we move forward to address the problems and manage our ocean ecosystems for sustainability? How do we create new solutions to re...
3D geospatial modelling and visualization for marine environment: Study of the marine pelagic ecosystem of the south-eastern Beaufort Sea, Canadian Arctic
GIS Oceanography Visualization Spatial, Modelling Three-dimensional, Interpretation
2014/4/25
Geospatial modelling of the marine pelagic ecosystem is challenging due to its dynamic and volumetric nature. Consequently, conventional oceanographic spatial analysis of this environment is in a 2D e...
Regional-scale effects of eutrophication on ecosystem structure and services of seagrass beds
Regional-scale effects eutrophication ecosystem structure services of seagrass beds
2014/4/3
Using large-scale field surveys across 12 estuaries in two provinces in Atlantic Canada, we analyzed changes in phytoplankton and benthic macroalgal communities as well as the canopy structure of eelg...
ntarctic krill as a source of dissolved organic carbon to the Antarctic ecosystem
ntarctic kril dissolved organic carbon Antarctic ecosystem
2014/4/4
The role of krill as a source of dissolved organic matter in the Southern Ocean was tested through a series of
experiments performed around the Antarctic Peninsula. These experiments revealed high bu...
The relative importance of heterotrophic bacteria to pelagic ecosystem dynamics varies with reservoir trophic state
heterotrophic bacteria pelagic ecosystem dynamics varies reservoir trophic state
2014/4/17
We tested the hypothesis that nutrient sequestration and carbon flow through heterotrophic bacteria is relatively highest in oligotrophic systems and decreases with trophic state in 17 reservoirs in T...
Simultaneous quantification of aquatic ecosystem metabolism and reaeration using a Bayesian statistical model of oxygen dynamics
aquatic ecosystem metabolism reaeration Bayesian statistical model oxygen dynamics
2014/4/17
We present a Bayesian statistical model of diel oxygen dynamics in aquatic ecosystems to simultaneously estimate gross primary production, ecosystem respiration, and oxygen exchange with the atmospher...
Exploring riverine zooplankton in three habitats of the Illinois River ecosystem: Where do they come from?
Exploring riverine zooplankton in three habitats the Illinois River ecosystem Where do they come from?
2014/4/21
We sampled three habitats (main channel, side channels, and backwater lakes) during 2 yr along 32 km of the Illinois River to compare zooplankton distribution and dynamics, as well as evaluate the pos...
A framework for developing ecosystem-specific nutrient criteria: Integrating biological thresholds with predictive modeling
ecosystem-specific nutrient criteria Integrating biological thresholds predictive modeling
2014/4/21
We present a novel ecosystem-specific framework for developing nutrientcriteria from biological thresholds and predictive modeling (BTPM) and an application of this framework to lakes in Michigan, U.S...
Microbial community diversity and heterotrophic production in a coastalArctic ecosystem: A stamukhi lake and its source waters
Microbial community diversity heterotrophic production coastalArctic ecosystem stamukhi lake source waters
2014/4/21
Stamukhi lakes are vast but little-explored Arctic ecosystems. They occur throughout winter, spring, and early summer near large river inflows along the Arctic coastline, and are the result of freshwa...
Direct measurement of thed13 C signature of carbon respired by bacteria in lakes: Linkages to potential carbon sources, ecosystem baseline metabolism, andCO2fluxes
the d13 C signature bacteria in lakes potential carbon sources ecosystem baseline metabolism CO2 fluxes
2014/4/18
Using a novel method to measure the isotopic signature (d13C) of respiratory CO2 produced by bacterioplankton, we determined the proportion of terrigenous vs. algal-derived organic carbon (OC) respire...