Search Help
Did you find what you were looking for? Yes No
Thumbnail Icon Science Keywords > BIOSPHERE > ECOLOGICAL DYNAMICS


Refine by Category
 
Refine by Full text

 

2694 Titles Match Your Query
Previous Showing 51 through 100 of 2694 Next
51. Dynamics of Forest Trees in the SERC Western Triangle Stand, SERC, Edgewater, MD [siserc_cano021]
Measurements of identity, size, and health of all woody plants in the SERC Western Triangle stand (1.0 hectares): a study of stand dynamics taken every three years. Location: SERC Western Triangle ...


52. Foraging of royal penguins and its relationship to the Antarctic Polar Frontal Zone [ASAC_1001]
The factors that control the number of animals in a population are often difficult to understand. However, this basic understanding is central to managing those populations and assessing how they ...


53. Infaunal Macroinvertebrates at the Smithsonian Environmental Research Center [siserc_crab002]
Populations of infaunal macroinvertebrates in the Rhode River subestuary of the Chesapeake Bay were monitored starting in October 1979. Samples were collected bimonthly from late March to early December. ...


54. Marsh Elevated CO2 Study-Root and Rhizome Biomass, SERC, Edgewater, MD [siserc_co2008]
Belowground root and rhizome mass by community, CO2 treatment and year. Location: Kirkpatrick Marsh, Rhode River, Anne Arundel County, MD. Measurements taken annually, typically in November. Site ...


55. Winter Bird Counts at SERC. [siserc_bird002]
Volunteers (# Range: 7-22) walked and drove through 4 areas (70 km2 site size) around SERC property and recorded the number of each species of bird that they saw. Most observations were done between ...


56. Long-Term Ecological Research (LTER)/HBR013: Revegetation Surveys on Stripcut WS 4 at the Hubbard Brook Experimental Forest [LTER_HBR013]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR013: One-third of WS 4 was clearcut in October 1970, one-third in September 1972, and one-third in October ...


57. Long-Term Ecological Research (LTER)/CDR014: Monoculture and Competition Gardens at Cedar Creek Natural History Area [LTER_CDR014]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR014 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


58. Long-Term Ecological Research (LTER)/CDR015: Effect of NH4NO3 and Light Shading on Vegetation (UNFLN) at Cedar Creek Natural History Area [LTER_CDR015]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR015 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


59. Long-Term Ecological Research (LTER)/CDR017: Effect of Nitrogen Levels on Vegetation at Cedar Creek Natural History Area [LTER_CDR017]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR017 [Summary adapted from the LTER Core Data Set Catalog]: There are four ...


60. Canadian Conservation Areas Database (CCAD) [Canada_GeoGratis_CCAD]
Due to the work and commitment from many regional agencies to establish conservation and protected areas, a framework is required to allow national analysis and reporting on ...


61. Earth Update CD-Rom : encyclopedic real-time source for Earth science data, careers, and activities. Written in Macromedia Director for ease of use. [earth_update]
Earth Update is an interactive, real-time display system of Earth images and data designed for Museums and Schools and now available to the general public as a "realtime museum on a disk"! Running ...


62. Linking Land, Air and Water Management in the Southern Everglades and Coastal Zone to Water Quality and Ecosystem Restoration: Task 2, Sulfur and Nutrient Contamination, Biogeochemical Cycling, and Effects [USGS_SOFIA_LinkingLandAirManagement_Task2]   PARENT METADATA
The scientific focus of this project is to examine the complex interactions (synergistic and antagonistic) of contaminants (externally derived nutrients, mercury, sulfur, pesticides, herbicides, polycyclic ...


63. Mariana common moorhen telemetry data - 2001 [USGS_FRESC_307_Mariana_moorhen_telemetry]
This data set consists of spreadsheets containing gps locations and bearings to common moorhen sightings. Data were collected in the wet and dry seasons in 2001.


64. Wildlife indicators of Greater Everglades restoration progress, climate change, and shifts in ecosystem services [USGS_SOFIA_WildlifeIndicators]
Greater Everglades restoration partners will want to learn from restoration of Picayune Strand as the first of its kind. One of the major benefits of Picayune Strand restoration will be to provide ...


65. MODIS/Aqua 1 degree Gridded MODIS Active Fire Product V005 (MYD14CM1) at GES DISC [MYD14CM1_005]
The gridded MODIS active fire products present statistical summaries of fire pixel information (Giglio et al., 2003). The global monthly products are generated at 1x1 degree spatial resolution for ...


66. MODIS/Terra 1 degree Gridded MODIS Active Fire Product V005 (MOD14CM1) at GES DISC [MOD14CM1_005]
The gridded MODIS active fire products present statistical summaries of fire pixel information (Giglio et al., 2003). The global monthly products are generated at 1x1 degree spatial resolution for ...


67. Physiology of Arthropods (Collembola) at Cape Hallett [K140_2002_2003_NZ_2]
Environmental physiology of three species of springtails (Hexapoda: Collembola): (1) Isotoma klovstadi (Isotomidae), (2) Cryptopygus cisantarcticus (Isotomidae) and (3) Friesia grisea ...


68. The distribution of terrestrial invertebrates at Cape Hallett [K140_2002_2003_NZ_1]
A survey of the terrestrial invertebrates of the ice free areas at Cape Hallett was conducted over three spatial scales: 1) A site-wide survey of the soil and under-stone arthropods of the Cape Hallett ...


69. Long-Term Ecological Research (LTER)/HBR012: Revegetation Surveys on a Disturbed Watershed (WS 2) at the Hubbard Brook [LTER_HBR012]
LTER - Long-Term Ecological Research Program/Hubbard Brook Experimental Forest (HBEF). LTER/HBR012: During the winter of 1965-1966, watershed 2 at HBEF was clearcut and all trees left on site. During ...


70. Marine Invertebrate Diversity Initiative (MIDI) Database [Canada_MIDI_MarInvDivInitDb]   CHILD METADATA
This data set contains the marine invertebrate species that can be found in the waters of the MIDI study area. This includes the Scotian Shelf, Bay of Fundy, Bras D'or Lakes and the Gulf of Maine. ...


71. Cascading effects of global climate change on near shore benthic communities in the Antarctic [ASAC_2300]
Metadata record for data from ASAC Project 2300 See the link below for public details on this project. ---- Public Summary from Project---- Antarctic reefs, like their tropical counterparts, harbour ...


72. Depth related changes in the composition of marine soft sediment infaunal invertebrate communities - sediment characteristics data - Casey 2006/07. [ASAC_2201_Depth_Sediment]
Depth related changes in sediment characteristics and the composition of infaunal invertebrate communities were investigated at two sites in the Windmill Islands around Casey station, East Antarctica, ...


73. 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 and combines the latest molecular ...


74. Evaluation of Possible Effects on Rocky Shore Biota from Oil Spillage from the 'Nella Dan' [ASAC_250]
Metadata record for data expected from ASAC Project 250 See the link below for public details on this project. The study investigated the impacts of oiling on the biota of rocky shores. Five shore ...


75. Foraging ecology of emperor penguins in summer and potential overlap with fisheries [ASAC_1252]
Metadata record for data from ASAC Project 1252 See the link below for public details on this project. Currently three datasets are attached to this metadata record. Dive data collected in 1988, ...


76. Heavy metal concentrations in marine sediments around Casey station, East Antarctica - long-term monitoring [ASAC_2201_Long-term_Sediment_Metals]
Sediment cores (5cm diameter x 10cm deep), collected as part of the long-term monitoring of the Thala Valley waste disposal site clean-up (Casey station), were sectioned and a portion of each core ...


77. Macroalgal responses to heavy metals and varying light levels at Casey Station [ASAC_2201_Runcie]   PARENT METADATA
1. In situ chlorophyll fluorescence measurements using pulse amplitude technique (PAM) of macroalga Desmarestia menziesii, assessing adaptation to high light exposure after sea ice breakout, and impact ...


78. Mycorrhiza in the Antarctic leafy liverwort (Cephaloziella exiliflora) [ASAC_2275]
Metadata record for data expected from ASAC Project 2275. See the link below for public details on this project. The papers record microscope evidence and molecular evidence for the occurrence of ...


79. Periodicity in foraging areas of leopard seals in the region south of Macquarie Island [ASAC_2268]
---- Public Summary from Project ---- Leopard seals are usually seen in the pack-ice where they pup on the ice and where they must first face life at sea. However at Macquarie Island, well to the ...


80. Role of micronutrients in the sea ice microbial ecosystem [ASAC_2299]
The productivity of Antarctic waters may be controlled by the amount of iron. Experiments have shown that this is probably the case for phytoplankton but as yet we do not know if iron limits the growth ...


81. SRE4 Effects of hydrocarbons on Antarctic Marine Sediment Ecosystems [ASAC_2201_SRE4]   CHILD METADATA
Sediment Recruitment Experiment 4 (SRE4) was a large, long term (5 year) field experiment run at Casey Station (from 2001 to 2006) testing the effects of 4 different hydrocarbons on marine sediment ...


82. The Ecology and Biogeography of Heard Island Marine Benthos [ASAC_254]
Collections of 23 macroinvertebrate taxa associated with Durvillaea antarctica holdfasts and 58 invertebrate taxa associated with artificial substrata collectors are described from shallow-water and ...


83. Toxicity of copper, cadmium and zinc to Macquarie Island marine invertebrates [AAS_4100_MI_marine_CuZnCd]
We investigated the toxicity of copper, zinc and cadmium to the following taxa: copepods Tigriopus angulatus (Lang) and Harpacticus sp. (Order Harpacticoida, Family Harpacticidae); flatworm Obrimoposthia ...


84. Vulnerability of shallow Antarctic invertebrate-dominated ecosystems [ASAC_2201_vulnerability]
Human impacts threaten not only species, but also entire ecosystems. Ecosystems under stress can collapse or transition into different states, potentially reducing biodiversity at a variety of scales. ...


85. Canadian Wildland Fire Information System - Fire Behaviour Prediction [Canada_CFS_CdnWilaFireInSysFBP]
The Canadian Wildland Fire Information System, Fire Behavior Prediction system, provides quantitative estimates of head fire spread rate, fuel consumption, fire intensity and ...


86. Canadian Wildland Fire Information System - Fire Weather Index [Canada_CFS_CdnWilanFireInfSyFWI]
The Canadian Wildland Fire Information System, Fire Weather Index, consists of six components that account for the effects of fuel moisture and wind on fire behavior. ...


87. ABoVE: Burn Severity, Fire Progression, Landcover and Field Data, NWT, Canada, 2014 [doi:10.3334/ORNLDAAC/1307_1]
This data set provides peatland landcover classification maps, fire progression maps, and vegetation community biophysical data collected from areas that were burned by wildfire in 2014 in the Northwest ...


88. Africa Outline, Integrated Terrain Units, Agric. Landuse, Soils, Vegetation [NBId0001_101]
These datasets (Africa Outline, Agricultural Landuse, Africa Soils, Vegetation, Surface Hydrography, Hydrologic Basins, Desertification Hazard Model) are part of the UNEP/FAO/ESRI Database project ...


89. Baringo (Kenya) Pilot Study for Desertification Assessment and Mapping [NBId0169_101]
The purpose of the Kenya Pilot Study was to evaluate the FAO/UNEP Provisional Methodology for Assessment and Mapping of Desertification, and to recommend an effective, simple methodology for desertification ...


90. Cattle and Buffalo distribution (Africa) [NBId0012_101]
The Cattle and Buffalo distribution dataset shows cattle and buffalo distribution for sub-Saharan, East and Central Africa. It is part of the East Coast Fever (ECF) dataset. The ECF study determined ...


91. EPA's Toxicity Reference Database [EPA_ToxRefDB]
ToxRefDB was developed by the National Center for Computational Toxicology (NCCT) in partnership with EPA's Office of Pesticide Programs (OPP), to store data from in vivo animal toxicity studies. ...


92. Kenya Coastal Zone - Coastal Features, Landuse, Marine/Terrestrial Parks, Elevation, Bathymetry [NBId0098_101]
The Eastern African Coastal and Marine Environment Resource Database is a comprehensive 1:250,000-scale vector database of the Kenya Coastal Zone. It consists of geographic, attribute, and textual ...


93. Kenya Coastal Zone - Wildlife: Bird Species and Mammals [NBId0128_101]
The Eastern African Coastal and Marine Environment Resource Database is a comprehensive 1:250,000-scale vector database of the Kenya Coastal Zone. It consists of geographic, attribute, and textual ...


94. Laikipia (Kenya) Research Programme GIS Datasets [NBId0177_101]
Laikipia Research Programme GIS Datasets are divided into two main different study area scales: the Regional level [Laikipia district, the Ewaso Ng'iro Basin] and the Local level [Land parcels-farm(s), ...


95. North Kenya GIS Database project, 1996 [NBId0146_101]
Introduction The North Kenya GIS Database project was created (by Andrea Bottcher for GTZ at UNEP/GRID) by joining datasets which existed in 9 North Kenya districts in 1996. The original datasets ...


96. North Kenya Vegetation GIS Database [NBId0160_101]
New-ID: NBI160 FILE NAME NKVEGE.E00 Introduction The North Kenya GIS Database project was created by joining datasets which existed in 9 north kenya districts by Andrea Bottcher for GTZ at UNEP/GRID ...


97. Seabird distributions during the upwelling season of 2000, northern California Current system, GLOBEC. [birds_metabirds_NEP]
As a part of the GLOBEC-Northeast Pacific project, seabird populations were surveyed on two cruises to northern portion of the California Current System. The surveys were conducted simultaneously ...


98. Socotra Island (Yemen) Case Study [NBId0184_101]
The UNEP/GRID Socotra Case study was started in February 1987 and was developed by GRID, Nairobi on behalf of International Board for Plant Genetic Resources (IBPGR). The objective of the study was ...


99. Vegetation Cover of the Lake Chad Region (GIS Coverage) [NBId0145_101]
New-ID: NBI145 This dataset contains information on vegetation classes of the Lake Chad region.


100. White's Vegetation Types of Senegal Dataset [NBId0159_101]
New-ID: NBI159 The (White's) Vegetation Types of Senegal Dataset Documentation File: SENEGAL1.IMG Code: 146014-001 Raster Member IMG file is in IDRISI format The Senegal White"'"s Vegetation ...


Previous Showing 51 through 100 of 2694 Next
Click here for a static view of records.

Link to Web Site