Thumbnail Icon [Parameters: Topic='BIOSPHERE', Term='ECOLOGICAL DYNAMICS', Variable_Level_1='ECOSYSTEM FUNCTIONS', Variable_Level_2='TROPHIC DYNAMICS']


Refine by Category
 
Refine by Full text

 

82 Titles Match Your Query
Showing 1 through 50 of 82 Next
1. Aerial survey of upper trophic level predators on PLatts Bank, Gulf of Maine [GoMA-Platts_Bank_Aerial_Survey]
The study area is located 50 km from shore in the western Gulf of Maine and covers 1672 km2, including Platts Bank, Three Dory Ridge and surrounding deep water. Platts Bank (43?10?N, 069?40?W) is ...


2. Application of Stable Isotope Techniques to Identifying Foodweb Structure, Contaminant Sources, and Biogeochemical Reactions in the Everglades [USGS_SOFIA_kendall_stable_isotopes]
This is the largest isotope foodweb study ever attempted in a marsh ecosystem, and combines detailed, long-term, trophic and biogeochemical studies at selected well-monitored USGS/SFWMD/FGFFC sites ...


3. BROKE-West Grazing dilution study [BROKE-West_Grazing]   PARENT DIF
These data contain results from grazing dilution experiments conducted during BROKE-West. Experiments were conducted at 22 locations on the BROKE-West transect. Data are ...


4. Determination of trophic relationships between marine predators and commercial marine living resources [ASAC_2301]
Metadata record for data from ASAC Project 2301 See the link below for public details on this project. ---- Public Summary from Project ---- This study develops ...


5. Erythemal UV radiation at Davis station summer 1998 [UV_Davis]
Data provides the date, time and 10 min cumulative erythemal irradiance at Davis Station for downwelling solar radiation and the irradiance at depth beneath neutral density screen (ND-polythene) and ...


6. Functional dynamics of the microbial loop in saline lakes of the Vestfold Hills [ASAC_919]
Metadata record for data expected from ASAC Project 919. See the link below for public details on this project. The plankton dynamics of Ace Lake, a sline, meromictic basin in the Vestfold Hills, ...


7. Heard Island and McDonald Islands (HIMI) Marine Ecosystem [ASAC_2388]
Metadata record for data from ASAC Project 2388 See the link below for public details on this project. ---- Public Summary from Project ---- The HIMI Ecosystem Project is aimed at examining key predators ...


8. Scientific Research Conducted on BROKE-West: Voyage 3 of the Aurora Australis, 2005-2006 [BROKE-West]   CHILD DIFs
The BROKE-West survey was conducted on voyage 3 of the Aurora Australis during the 2005-3006 season. It was intended to be a comprehensive biological and oceanographic survey of the region between ...


9. Stable isotope analysis of invertebrate epifauna collected around Casey station, East Antarctica, for the TRENZ program. [ASAC_2948_TRENZ_Stable_Isotopes]   PARENT DIF
A variety of epifaunal invertebrates were collected from hard substrates and soft sediment habitats at various sites in the Windmill Islands near Casey station in East Antarctica. Collected fauna ...


10. The Biochemistry, Ecology and Organic Geochemistry of Phaeocystis pouchetii communities of Davis Base, Antarctica [ASAC_113]
This metadata record covers ASAC projects 113, 191 and 625. (ASAC_113, ASAC_191, ASAC_625). The total lipid, fatty acid, sterol and pigment composition of water column particulates collected ...


11. The Role of Appendicularians in Southern Ocean Carbon Flow and Trophodynamics [BROKE-West_Appendicularians]   PARENT DIF
Data acquisition: Samples were collected using a 1.5 metre diameter Ring net (150 micron metre mesh) with a wide cod-end on the base (volume approximately 40 Litres). Vertical trawls were to ...


12. Trophic Ecology of the Antarctic Nearshore Zone [TRENZ]   CHILD DIFs
Project Objectives 1) To describe trophic relationships in near shore marine benthic ecosystems of East Antarctica and determine the importance of environmental forces (such as sea ice and primary ...


13. Trophic Ecology of the Antarctic Nearshore Zone - Stable Isotope datasets [TRENZ_Stable_Isotopes]   CHILD DIFs   PARENT DIF
Project Objectives 1) To describe trophic relationships in near shore marine benthic ecosystems of East Antarctica and determine the importance of environmental forces (such as sea ice and primary ...


14. Relict Adelie Penguin colonies in the Australian Antarctic Territory (AAT). [ASAC_1219_AAT_APen_Relict]
Distribution, abundance and dates of relict Adelie Penguin colonies in the Australian Antarctic Territory (AAT). Current mapping efforts have focused on the Windmill Islands in preparation for a ...


15. Davis stable isotope data for coastal ecosystem [TRENZ_2010]   PARENT DIF
Carbon and nitrogen stable isotope data for a range of benthic invertebrates, macroalgae, phytoplankton, sea ice algae and fish from shallow marine coastal region around Davis Station. Part of the ...


16. Ecofunctional biodiversity of benthic crustacean taxocoenoses in the Southern Ocean [AMD_BE_CRUSTACEANS]
Description and evaluation of the role of biodiversity of the macrobenthos, in particular of the peracarid crustaceans, in the structure and functioning of the Antarctic coastal and shelf ecosystem. ...


17. DISCOVERY-FLEXICON: FLEXIbility and CONstraints in life histories [GB-NERC-BAS-PDC-00516]
FLEXICON is investigating the life-cycles of some of the world''s most durable and abundant organisms that are vital to the Earth''s systems. Marine organism in the Southern Ocean must endure one ...


18. DISCOVERY-FOOD-WEBS: Scotia Sea FOOD-WEBS [GB-NERC-BAS-PDC-00514]
Ocean food webs modify the efficiency with which CO2 is absorbed from the atmosphere into the sea, fixed by phytoplankton in the surface layers and then transported to the ocean interior. This so-called ...


19. DISCOVERY-OEM: Ocean Ecosystems and Management [GB-NERC-BAS-PDC-00513]
Maintaining long-term food security in a changing environment is one of the greatest challenges to the sustainable exploitation of the Earth System, including its oceans. The well publicised collapses ...


20. Chesapeake Bay Program [epa_cbprogram]   CHILD DIFs
EPAs Chesapeake Bay Program Office coordinates the goals of the Chesapeake Bay Program (CBP) with the other offices located in EPA's regional office in Philadelphia, Pennsylvania. The CBP is a unique ...


21. The fate of primary production in Antarctic sea ice: the role of metazoan grazers. [ASAC_1328]
Crustaceans are an important component of the Antarctic marine ecosystem. Large numbers live in or close to the sea-ice cover, using it as a refuge from predation and a source of food. However, the ...


22. Distribution and abundance of cetaceans off Adélie Land, Antarctica [1014_0_IPEV_FR]
The Mus?um National d'Histoire Naturelle has launched in 2010 the CETA projet (Cetaceans Observations Off Terre Ad?lie). The project aims at documenting background information on summer presence and ...


23. Integration Analysis of North Adriatic Marine Ecosystem (ECOMADR) [ECOMADR]
Project aims to identify key components of the trophic web of marine ecosystem in the northern adriatic sea, and to provide a first assessment of energy fluxes among such compartments. Since in this ...


24. Key Processes and Sustainable Mechanisms of Ecosystem Food Production in the Coastal Ocean of China [KPFPC]
The scientists involved in this program will carry out integrated studies among multidisciplinary subjects by focusing on such a core as the coupling mechanism of the marine biogeochemical cycles ...


25. Collection of marine sediment, algae, invertebrate and fish samples from multiple sites at diveable depths in the Ross Sea Region [K065_2008_2009_NZ_1]
In order to resolve the contribution of microbes (bacteria) in the benthic food web under the sea ice in Antarctica and to determine the level of recycling of carbon that occurs in the community, ...


26. Adelie Penguin ecology [JCADM_USA_PENGUINS]
Ecology of Adelie Penguins breeding at colonies in SW Ross Sea.


27. Impacts of climate change on Antarctic vascular plants: warming and UV-B radiation [TAD001]
Our research examined the influence of ultraviolet-B radiation (UV-B) and warming on the performance of Antarctic flowering plants (i.e. Deschampsia antarctica, ...


28. GLOBEC-Germany - Trophic interactions between Zooplankton and Fish under the influence of Physical Processes [GLOBEC_108_DE_001]
?Trophic Interactions between Zooplankton and Fish under the Influence of Physical Processes in the Baltic and North Sea (2002 ? 2007)? The international Global Ocean Ecosystem Dynamics (GLOBEC) ...


29. Factors Affecting the Distribution of Juvenile Salmon in the Gulf of Alaska 2001-2003 [salmon_juv_diet_LTOP_CGOA]
The purpose of this research is to focus National Marine Fisheries Service studies on the GLOBEC region, augment oceanographic measurements and determine what biological and physical factors influence ...


30. Development of Integrated Sampling of Fishes in Forested Wetlands in South Florida with Emphasis on Food Web Structure [USGS_SOFIA_fish_sample]
This study seeks to refine sampling methodology in the forested wetlands, to collect baseline data for aquatic animals to enable comparisons between Comprehensive Everglades Restoration Plan (CERP) ...


31. Agricultural Online Access (AGRICOLA) Database [USDA_AGRICOLA]
AGRICOLA (AGRICultural OnLine Access) is a bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Production ...


32. Mare Cognitum - Nordic Seas Ecosystem [GLOBEC_012_NRWY_001]
Mare Cognitum 1993 - 2001 Mare Cognitum aimed to identify the major factors and mechanisms causing variability in the Nordic Seas ecosystem. Insight into the functioning ...


33. Response of the Southern Ocean global ecosystem to physical and trophic constraints [AMD_BE_SO_ECOSYSTEM]
[from "http://www.belspo.be/belspo/antar/orp/b21-23_uk.stm"] The research consists of a multidisciplinary study of the biodiversity and productivity of the global ecosystem of the Southern Ocean ...


34. LIFECO: Predatory interaction between fish species and top-down control of zooplankton relative to frontal processes [GLOBEC_093_LIFECO_007]   PARENT DIF
This work package is part of the LIFECO programme: LInking hydrographic Frontal Activity to ECOsystem dynamics in the North Sea and Skagerrak - importance to fish stock recruitment. The unique physical ...


35. Environmental, nutritional and endocrine regulation of diapause in the calanoid copepod, Calanus finmarchicus [GLOBEC_106_UK_026]   PARENT DIF
Diapause is a key feature of the life-cycle of many marine copepods and is thought to be regulated by a number of interacting factors that range from broad scale environmental cues, through to the ...


36. Marine Productivity - UK GLOBEC [GLOBEC_020_UK_002]   CHILD DIFs
MARINE PRODUCTIVITY: physical controls on ecosystem dynamics The aim of the Marine Productivity programme is to develop coupled modelling and observational systems for the pelagic ecosystem, with ...


37. Interannual differences in feeding success and annual growth anomalies of fish larvae [GLOBEC_028_CAN_005]
A central tenet of fisheries oceanography is that the growth rate of the planktonic larvae determines cumulative predation mortality during the first year of life and ultimately, year class strength. ...


38. Ecosystem Modeling in the Northwest Atlantic (CDEENA Program) [Canada_OSL_EcosystemModeling]
Mass-balance biomass models (Ecopath approach, inverse methods) are being used globally as an efficient and useful method to systematically describe ecosystems and to explore their properties (V?zina ...


39. Lake Michigan Ecological Monitoring (1983-1993) [GLERL0009]
This data set contains numerous measurements of chemical, biological, and physical parameters for stations in southeastern Lake Michigan for the period 1983 to the present. Measured variables include ...


40. Production, Growth and Retention of Zooplankton and Ichthyoplankton on the Western Bank of the Scotian Shelf, Canada [GLOBEC_029_CAN_006]
The interaction of local and meso-scale physical and biological seasonality and the timing of critical events were shown to be important in the persistence of zooplankton and larval fish on Western ...


41. WestSEA Process Studies: Spring Transition Zooplankton Distribution, British Columbia, Canada [GLOBEC_034_CAN_011]
On the west coast of Vancouver Island, physical flow features directly impact both primary and secondary producer trophic levels and the coupling between them and the larval fish that prey on them. ...


42. Zooplankton and Oceanographic Effects on Ocean Salmon Growth [GLOBEC_027_CAN_004]
Three main questions were addressed for this project: 1) How much does the abundance of zooplankton at Ocean Station Papa affect salmon growth? 2) How much does inter-annual variation in the amount ...


43. Zooplankton Supply and Production on the Scotian Shelf, Canada [GLOBEC_035_CAN_002]
For the larvae of fish species that spawn on the offshore banks of the Scotian Shelf in spring and fall, food availability may be as necessary for survival as retention over the banks. Evidence to ...


44. Characterization of the fish communities from the ice-edge on the Weddell Sea [CNDA-ESP_ANT97-1884-E]
In English: During the Alfred Wegener Institute campaign on board the RV Polarstern were characterized ictic communities and collected biological data specially referenced were the sensorial organisms ...


45. TROPHIC ECOLOGY OF ANTARCTIC SEABIRDS IN THE SCOTIA ARC ISLANDS AND ANTARCTIC PENINSULA [CDA_AR_PICTA-30-2004-2007-TROPHYC_ECOLOGY_ANTARCTIC_SEABIRDS]
ENGLISH The purpose of the project is to analyze several aspects of the trophic ecology of key species of seabirds of the Antarctic Ecosystem on the South Shetlands, South Orkneys Islands and Antarctic ...


46. Antarctic Fish and Trophic Webs [ANTARCTIC_JCADM_DNA_FISH]
The objectives of this long-term project are twofold. The first is to collect baseline data on pollutant levels in notothenioids and their prey and predator species from the Potter Cove area. The ...


47. Studies on Antarctic Pinnepeds [ANTARCTIC_JCADM_DNA_PINNEPEDS]
Research is being undertaken at the Jubany Scientific Station on the biochemical analysis of the southern elephant seal milk and serum proteins during various stages of lactation, post-weaning, and ...


48. The role of benthic suspension feeders in Antarctic communities [CNDA-ESP_ANT97-1533-E]
In English: A total of 3457 colonies have been sorted and labeled, and around 72 species of hydroids have been recognized. From the present cruise, 63 anthozoan species have been collected, most ...


49. LIFECO: Effects of Frontal Processes in the plankton: resource controls and trophic interactions [GLOBEC_092_LIFECO_006]   PARENT DIF
This work package is part of the LIFECO programmme: LInking hydrographic Frontal activity to ECOsystem dynamics is the North Sea and Skagerrak - Importance to fish stock recruitment This package ...


50. EYSEC: Ecosystem Dynamics and Sustainable Utilization of Marine Living Resources in the East China Sea and Yellow Sea [GLOBEC_022_CH_002]
EYSEC: Ecosystem Dynamics and Sustainable Utilization of Marine Living Resources in the East China Sea and Yellow Sea This programme is part of CHINA-GLOBEC. The aims of EYSEC are to: 1) ...


Showing 1 through 50 of 82 Next
Click here for a static view of records.

Link to Web Site