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76 Titles Match Your Query
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1. Behavioural observations, recorded calls and breeding parameters as factors influencing the vocal behaviour of Adelie penguins (Pygoscelis adeliae) [K019_2000_2001_NZ_1]
Factors influencing the development and survival of Adelie penguins were investigated from the Cape Bird colony. The fieldwork focused on aspects of vocal recognition but parental care and chick development ...


2. Biology And The Predator-Prey Relationships Between Seabirds And Seals And Antarctic Fish: Identification Of Parameters To Detect Changes In The Ecosystem [CDA_AR_BIO_PREDATOR-PREY_REL]
Biology And The Predator-Prey Relationships Between Seabirds And Seals And Antarctic Fish; Identification Of Parameters To Detect Changes In The Ecosystem Instituto Antartico Argentino (IAA) Project ...


3. Biology of lichen communities in Antarctica. [CNDA-ESP_LIQ_PAD]   CHILD METADATA
In English: This dataset contains information on the registered data on studies of the biology of lichen communities in Antarctica. This dataset is also the parent record ...


4. Biomass Experiment for Wyoming big sagebrush (Artemisia tridentata subsp. wyomingensis), Spring 2010 [USGS_FRESC_Big_Sage_biomass]
The semi-arid sagebrush steppe ecosystem is one of the largest biomes in North America. The steppe provides critical habitat and forage for wildlife and i economically important to recreation and ...


5. Montane Alternative Silvicultural Systems, British Columbia, Canada [Canada_CFS_MontanAlterSilvicult]
Montane forests have a winter snowpack and are found between 700 and 1100 metres in elevation on central Vancouver Island. They contain a large part of the coastal timber harvest ...


6. Potential Effects of Interspecific Competition on Neosho Madtom (Noturus placidus) Populations [usgs_brd_cerc_d_neoshomadtom]
Previous research on the distribution of Neosho madtoms, which are Federally-listed as threatened, indicated a positive relationship between density of Neosho madtoms and cumulative density of other ...


7. Observations of intraspecific aggressive behaviour in the adelie penguin (Pygoscelis adeliae) [K017_1967_1971_NZ_1]
The cause, function, effect and patterns of behaviour in penguin fighting on the colony was determined from long periods of direct observations of banded penguins and on set-period recordings of all ...


8. 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 ...


9. Reproductive strategies of Antarctic penguins [CNDA-ESP_PIN_PAD]   CHILD METADATA
En English: This dataset contains information on the registrated data for the studies of the reproductive strategies of Antarctic penguins.This dataset is also the parent record for the following ...


10. Reproductive strategies of Antarctic penguins. 1990-91 [CNDA-ESP_ANT90-1079-E_PIN_01]   PARENT METADATA
In English: This dataset contains information on: -Study of the reproductive strategy of Pygoscelis antarctica. -Study of genetic parentage between adults and chicks in their care. -Study of circadian ...


11. Reproductive strategies of Antarctic penguins. 1992-93 [CNDA-ESP_ANT91-1264_PIN_03]   PARENT METADATA
In English: This dataset contains information on: -Monitoring of reproductive success in the Barbijo penguin. -Study of the factors which determine any variation. -Evolutionary implications of colony ...


12. Reproductive strategies of Antarctic penguins. 1993-94 [CNDA-ESP_ANT91-1264_PIN_04]   PARENT METADATA
In English: This dataset contains information on: -To establish the factors determining the reproductive success in a Chinstrap penguin Pygoscelis antarctica colony. -To study the reproductive behaviour ...


13. Reproductive strategies of Antarctic penguins.1995-96. [CNDA-ESP_ANT94-0036_PIN_06]   PARENT METADATA
In English: This dataset contains information on:First, we analyzed the effect of nest placement inside rookeries with respect to periphery on hatching date, and breeding success. Central nests showed ...


14. Reproductive strategies of Antarctic penguins.1996-97. [CNDA-ESP_ANT94-0036_PIN_07]   PARENT METADATA
In English: This dataset contains information on:During the Antarctic summer 1996-1997 we studied severas aspects of the breeding biology of the Chinstrap penguin (Pygoscelis antarctica) in the large ...


15. Root elongation rates for Wyoming big sagebrush (Artemisia tridentata subsp. wyomingensis) seedlings for Paired Rootbox Experiment, Spring 2010. [USGS_FRESC_Big_Sage_root_elongation]
The semi-arid sagebrush steppe ecosystem is one of the largest biomes in North America. The steppe provides critical habitat and forage for wildlife and is economically important to recreation and ...


16. TROPHIC ECOLOGY OF ANTARCTIC SEABIRDS IN THE SCOTIA ARC ISLANDS AND ANTARCTIC PENINSULA [CDA_AR_PICT-30-2004-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 ...


17. TROPHIC ECOLOGY OF ANTARCTIC SEABIRDS IN THE SCOTIA ARC ISLANDS AND ANTARCTIC PENINSULA - CDA_AR_PICTA-30-2004-2007-TROPHYC_ECOLOGY_ANTARCTIC_SEABIRDS [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 ...


18. The Effect of Cattle on Habitat Selection by Bighorn Sheep [brdfresc0005]
The degree of competition between cattle and bighorn sheep (Ovis canadensis) is unknown. It is important that land managers understand interactions between the two species so that management decisions ...


19. The Living Marine Resources Program [NOS00041]
The Living Marine Resources (LMR) program assembles information on the spatial and temporal distributions and characteristics of selected coastal and marine species. These data are ...


20. The biology of lichen communities in Livingston Island (Antarctic). [CNDA-ESP_ANT90-1117-E_LIQ_02]   PARENT METADATA
In English: Scientific objectives: -The evaluation of photosynthesis and respiration of significant macrolichen species in the Antarctic tundra; -Study of isoenzymes in bipolar lichens; -Microclimatic ...


21. The relationship between skuas and adelie penguins at the Cape Bird colonies: penguin egg and chick mortality from skua predation and territorial, feeding and breeding behaviour of skuas about the penguin colony [K017_1965_1970_NZ_1]
A five year study on the relationship between skuas (Catharaeta maccormicki) and adelie penguins (Pygoscelis adeliae) was investigated at Cape Bird with two studies: a) A study of penguin egg ...


22. Turkey Lakes Tolerant Hardwoods Ecosystem Research Project, Ontario, Canada [Canada_CFS_TLTolHardwoodEcoRese]
The 1000 ha Turkey Lakes Watershed study area was established in 1979 to study the impacts of the long-range transport of air pollutants (LRTAP) on aquatic and terrestrial ecosystems. LRTAP impacts ...


23. Using Incubation Period Length as a Tool to Predict Host Impact [usgsbrdpwrc0014]
Three endangered species for which cowbird parasitism has been identified as a major factor in population decline have incubation periods > 14 days: Black-capped Vireo, Least Bell's Vireo, and Kirtland's ...


24. Vegetation Change on Rangelands in Relation to Carbon Sequestration and Increasing Atmospheric CO2 Concentrations. [USDA.ARS.GSWRL.VegChngRangCO2]
(Adapted from project description) Problem: A large carbon sink is implied on western rangelands from data and modeling recently reported in Science. Only forest ecosystems have been generally ...


25. Vegetation communities, species distribution and foliar morphology as indicators of climate change on Marion Island [ASAC_1015_MarionIs]
Altitudinal variations in vegetation community composition, species ranges and foliar morphology were collected on subantarctic Marion Island. Two altitudinal transects on the eastern slopes of the ...


26. A study on the siting, establishment and maintenance of territories in the South Polar Skua (Catharacta maccormicki) [K017_1967_1968_NZ_2]
A study of skua territories was conducted by examining siting, establishment and maintenance of territories in two very different conditions including in an area close to the penguins where skuas ...


27. Adaptive strategies of lichen species to cold environments: Antarctica and the Mediterranean high mountains. [CNDA-ESP_ANT94-0905_LIQ_05]   PARENT METADATA
In English: At the beginning of the 1990's our ecophysiological research on Antarctic lichens was focussed on adaptations to cope with low temperatures. We assumed that low ...


28. 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 ...


29. Analysis of ecstatic calls displays and nest parameters and their importance in Adelie penguin mate attraction, pair bonding and nest success [K019_2002_2003_NZ_1]
Mate recognition of adelie penguins is crucial to their breeding success in such an extreme environment. The importance of male ecstatic display, the role of factors including nest location and size ...


30. Botanical investigations at Terra Nova Bay and Wood Bay, North Victoria Land and the assessment of human impacts [K271_1988_1989_NZ_1]
Vegetation and environmental studies were conducted at sites on Ross Island and in North Victoria Land, including Terra Nova Bay (Edmonson Point, Northern Foothills, Cape Washington, Mount Melbourne, ...


31. Breeding Biology of Male Southern Elephant Seals (Mirounga leonine) at South Shetland Islands, Antarctica. Project No. 44 2002-2004 [CDA_AR_BIO_MIROUNGA_LEONINE_M.]   PARENT METADATA
Project: Breeding Biology of Male Southern Elephant Seals (Mirounga leonine) at South Shetland Islands, Antarctica. Project No. 44 2002-2004 ENGLISH Project in cooperation with Universidad Nacional ...


32. Causes of high mortality of the second chick from a pair of skua (Catharaeta maccormicki) eggs; egg content and chick weights, feeding rates, parental brooding behaviour, experimental removal and starvation of chicks [K017_1966_1967_NZ_1]
The cause/factors of heavy mortality of the second chick hatching from a pair of eggs at a skua nest was investigated. Previous observations found that the second chick is chased away from the nest ...


33. 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 ...


34. Determining Ciliate parameters for intra and inter-basin scale models [GLOBEC_102_UK_022]   PARENT METADATA
Title: Determining Ciliate parameters for intra and inter-basin scale models: abundance, biomass, cell size structure, biodiversity and production We consider microzooplankton in two main roles: ...


35. ECOLOGY OF ANTARCTIC FISH FROM THE SCOTIA ARC (SOUTH GEORGIA ISLANDS, SOUTH ORKNEY ISLANDS, SOUTH SHETLAND ISLANDS AND WEST ANTARCTIC PENINSULA). IMPACT OF THE COMMERCIAL FISHERY ON NEARSHORE FISH OF THE AREA [CDA_AR_PICTA-09-2004-ECOLOGY_OF_ANTARCTIC_FISH_SCOTIA_ARC]   PARENT METADATA
ENGLISH Project PICTA 09 2004-2007 The Project deals with different aspects of the ecology (trophic position, reproduction, age and growth, interaction with predators) of the Antarctic ichthyofauna ...


36. Ecophysiological and floristic study of the lichen communities in Livingston Island. [CNDA-ESP_ANT89-0804-E_LIQ_01]   PARENT METADATA
In English: Scientific objectives: -Floristic study of Livingston Island. -Structure, succession and dynamism of the principal lichen and bryolichen communities. -Chorological study (distribution) ...


37. Exopolysaccharides from Antarctic bacteria [ASAC_2348]
Exopolysaccharide (EPS) is complex sugar made by many microbes in the Antarctic marine environment. This project seeks to understand the ecological role of microbial EPS in the Southern Ocean, where ...


38. Faunal Turnover and Evolution in Response to Climate Change in Mollusks of the Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula [La_Meseta_Mollusks]
This data set includes numerical collection abundance, morphometrics, and observations of naticid shell-drilling predation in mollusks recovered from the Eocene La Meseta Formation, ...


39. Host Selection in the Forest Interior: Cowbirds Target Ground-Nesting Species [brdpwrc0018]
We investigated patterns of cowbird host selection in a large (1300 ha), unfragmented forest in eastern New York in 1992-3 to determine whether cowbird parasitism rates can be attributed tospecies-specific ...


40. IAI-Data-CRN_012_Baruch_Invaders: Response of a native Neotropical savanna grass and two African invaders to high CO2, drought, herbivory and fire [IAIDIS754]   PARENT METADATA
The invaders project analyzed the response of a native Neotropical savanna grass (Trachypogon plumosus) and two African invaders (Hyparrhenia rufa and Melinis minutiflora) to high CO2, drought, herbivory ...


41. Impact of Cowbird Parasitism on Major Host Species in Ontario [usgsbrdpwrc0015]
We compared the relative effect of cowbird parasitism on a large number (n = 12) of different host species at a very large spatial scale (the province of Ontario), using a large sample size of nests ...


42. 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, ...


43. Latitudinal Gradient Project - Australian contributions [LGP]
This record relates to the Australian component of the Latitudinal Gradient Project. The LGP is largely a New Zealand, US and Italian venture, but a small contribution has been made by Australian ...


44. Links Between Lice Species, Cowbird Fledglings, and Avian Host Species [usgsbrdpwrc0016]
Cowbirds lay their eggs in songbird nests, replacing some songbird eggs with their own; the unwitting songbirds end up raising cowbirds. Biologist Caldwell Hahn at the Patuxent Wildlife Research Center ...


45. Long-Term Ecological Research (LTER)/CDR001: Fenced Microplots (MICRO); Effects of NH4NO3 on Vegetation at Cedar Creek Natural History Area [LTER_CDR001]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR001 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


46. Long-Term Ecological Research (LTER)/CDR002: Fenced Microplots, Disked (MICRO);Effects of NH4NO3 on Vegetation at Cedar Creek [LTER_CDR002]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR002 [Summary adapted from the LTER Core Data Set Catalog]: This experiment is exactly the same as CDR001 ...


47. Long-Term Ecological Research (LTER)/CDR003: Effects of Nutrients on Vegetation at Cedar Creek Natural History Area [LTER_CDR003]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR003 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


48. Long-Term Ecological Research (LTER)/CDR004: Effects of NH4NO3 on Small Mammal Grids (MAMML) at Cedar Creek Natural History Area [LTER_CDR004]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR004 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


49. Long-Term Ecological Research (LTER)/CDR005: Effects of NH4NO3 on Small Mammal Grids, Disked (MAMML) at Cedar Creek Natural History Area [LTER_CDR005]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR005 [Summary adapted from the LTER Core Data Set Catalog]: This experiment ...


50. Long-Term Ecological Research (LTER)/CDR006: Effects of NH4NO3 on Small Mammal Grids, Control (MAMML) at Cedar Creek Natural History Area [LTER_CDR006]
LTER - Long-Term Ecological Research Program/Cedar Creek Natural History Area (CDR) LTER/CDR006 [Summary adapted from the LTER Core Data Set Catalog]: The purpose of ...


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