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475 Titles Match Your Query
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1. Breeding Biology and Design of Population Monitoring Methods for Lapland Longspurs [usgsbrdfresc0012]
The Colville River Delta in northern Alaska supports large populations of breeding waterfowl, shorebirds, and loons. The Colville field station is one of the only programs devoted ...


2. Characteristics of Preferred Foraging and Nesting for Tundra-Breeding Shorebirds [usgsbrdfresc0010]
The North Slope of Alaska is currently the scene of intensive oil exploration activities. Wells have been drilled recently in several previously untouched areas, and more activity ...


3. Effects of Military Training and Fire in the Snake River Birds of Prey National Conservation Area [usgsbrdfresc0003]
The unique characteristics of the Snake River Canyon and the adjoining upland desert south of Boise, Idaho, have been recognized since the 1940s (Olendorff and Kochert 1977). An area associated with ...


4. Evaluation of Midwinter Bald Eagle Counts [usgsbrdfresc0008]
Nationwide counts of bald eagles were coordinated by the National Wildlife Federation from 1979 until 1992, when the Raptor Research and Technical Assistance Center (now the Forest and Rangeland ...


5. Land Bird Monitoring Protocols for National Parks in Alaska [usgsbrdasc00000006]
Fieldwork was conducted in Denali National Park and Preserve by Alaska Bird Observatory. In 1996, three observers determined seasonal variation in detection probabilities for breeding ...


6. Long-term Assessments of Golden Eagle Nesting Density and Productivity in the Snake River Birds of Prey National Conservation Area. [usgsbrdfresc0006]
The Snake River Birds of Prey National Conservation Area has undergone massive habitat changes since 1980. More than 50% of the shrub habitat has been lost due to wildfires, resulting in large stands ...


7. Small mammal sampling protocol for long-term ecological monitoring program. [usgsbrdasc00000005]
The small mammal investigations begun in the Rock Creek watershed of Denali National Park and Preserve in 1992 focused primarily on three species: the northern red-backed vole (Clethrionomys ...


8. Changes in Breeding Bird Populations in North Dakota: 1967 to 1992-93. [usgsbrdnpwrcd00000012]
Breeding bird populations in North Dakota were compared using surveys conducted in 1967 and 1992-93. In decreasing order, the five most frequently occurring species were Horned Lark (Eremophia alpestris), ...


9. GulfCet II-Biological Oceanography in the Northern Gulf of Mexico [usgsbrdcr_d_GulfCetII_3biologic]   PARENT DIF
The biological oceanography data set is part of the overarching GulfCet II study, Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations, ...


10. GulfCet II-Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, Abundance and Habitat Associations [usgsbrdcr_d_GulfCetII_1paren]   CHILD DIFs
The Gulf of Mexico is a semi-enclosed, intercontinental sea with a total area of about 1.5 square kilometers. As a large marine ecosystem, it has a unique bathymetry, hydrography and productivity. ...


11. GulfCet II: Visual Surveys of Cetaceans and Sea Turtles from Aircraft [usgsbrdcr_d_GulfCetII_4visair]   PARENT DIF
The visual survey of cetaceans and sea turtles from aircraft data set is part of the overarching GulfCet II study, Cetaceans, Sea Turtles and Seabirds in the Northern Gulf of Mexico: Distribution, ...


12. AFSC/RACE: Alaska Groundfish Survey 1982-2013 [NOAA_AFSC_RACE_GroundfishSurvey]
The Resource Assessment and Conservation Engineering Division (RACE) of the Alaska Fisheries Science Center (AFSC) conducts bottom trawl surveys to monitor the condition of the demersal fish and crab ...


13. Breeding Bird Survey Grid for Lower 48 States, Alaska and Southern portion of Canada [USGS_PWRC_BreedingBirdSurveyGrid]
This is a polygon coverage of the mathematically generated grid for North America, excluding Mexico and the Northern portion of Canada. The grid is used in the statistical analysis of the Breeding ...


14. Marbled Murrelet Nest Locations in British Columbia: Digital Dataset [UAF_murreletnestlocations]
This data set contains the locations of all known Marbled Murrelet nest locations within British Columbia. Marbled Murrelet is a seabird that flies up to 75 km inland to nest in mostly ...


15. Predictive Model of Golden Eagle Distribution in Idaho and Montana [UAF_goldeneagledistributionIDMT]
Because of growing concern in recent years about the status of golden eagle populations in western North America and the need for a more complete understanding of the preferences of this ...


16. The North American Breeding Bird Survey, Results and Analysis 1966 - 2011. Version 12-13-2012. [USGS_PWRC_BreedingBirdSurvey_V10.15.2010]
This website consists of a series of interactive programs and maps that describe population change for North American Birds summarized from North American Breeding Bird Survey (BBS) data. Metadata ...


17. A New Approach for Analyzing Bird Densitiies from Variable Circular-plot Counts [brdpier0003]
An approach for calculating bird densities from variable circular-plot counts is described. The approach differs from previous methods in that data from several surveys are pooled and detection distances ...


18. An Automated Photo-identification Catalog for Studies of the Life History of the Florida Manatee [usgsbrdfcscsirenia]
Many free-ranging Florida manatees (Trichechus manatus latirostris) are scarred from encounters with boats, entanglement in fishing gear, or fungal infections. A computer-based system, the Manatee ...


19. Birds Checklists of the United States [usgsbrdnpwrc_d_birds_checklists]
This resource is known as Bird Checklists of the United States. Bird Checklists of the United States. For years, people and groups have developed listings or checklists of birds that occur in a particular ...


20. Determination, Biological Consequences, and Modeling of Sex-Specific Demographic Rates in Declining, Threatened, or Endangered Metapopulations [brdpwrc0053]
Proper management of animal populations requires an understanding of both population dynamics and ecology, and more research that integrates population dynamics and ecological studies is needed to ...


21. Fleas of North Dakota [usgsbrdnpwrc_d_ndfleas]
The dataset contains distribution maps for the following species of fleas: Aetheca wagneri, Amaradix euphorbi, Amphipsylla sibirica pollionis, Callistopsyllus terinus campestris, Cediopsylla inaequalis ...


22. Foraging Ecology and Post-Breeding Dispersal of the Xantus' Murrelet in the Southern California Bight [brdwerc003]
The Xantus' Murrelet is one of the rarest seabirds in the world with a population of less than 10,000 breeding individuals. It is distributed in a restricted area from the Channel Islands of southern ...


23. Mapping and Characterization of Nearshore Benthic Habitats around Vieques Island, Puerto Rico [usgsbrdfcsc_d_vieques]
The Vieques Island Mapping Project was initiated in September 1995 as a cooperative effort between NSRR and the Sirenia Project (Military Interdepartmental Purchase Request no. NOO38995MP00012). ...


24. Mapping and Characterizing Seagrass Areas Important to Manatees in Puerto [usgsbrdfcsc_d_seagrass]
The population of manatees in Puerto Rico is the only group of Antillean manatees (Trichechus manatus manatus) managed and protected by the United States. The Manatee Recovery Plan for the Puerto ...


25. Modeling and Management of Sandhill Crane Populations [brdpwrc0052]
There are six subspecies of sandhill cranes (Grus canadensis) endemic to North America. The greater sandhill crane (G. c. tabida) can be divided into several breeding populations. Two of these populations, ...


26. North American Bird Banding Retrieval Files [brdpwrc0001]
The Banding Retrieval File contains summarized records for data through the last full calendar year for all game birds banded since 1908, and for all nongame birds banded since 1954. ...


27. North American Bird Encounter Retrieval File [brdpwrc0002]
The Encounter Retrieval File contains records of banded birds that have been encountered, subsequent to any capture, and reported to the Bird Banding Laboratory. Encounter data include the associated ...


28. Northeast Wetland Flora: Field Office Guide to Plant Species [usgsbrdnpwrc_d_newetlandflora]
This Field Guide was prepared by Biotic Consultants, Incorporated, of Carbondale, Illinois, under Contract #53-2D81-3-1. All descriptions have been written by Robert H. Mohlenbrock. Mark Mohlenbrock ...


29. White Sturgeon Habitat in the Lower Columbia River [brdnbsc0001]
Estimates of spawning habitat for white sturgeons Acipenser transmontanus in the tailraces of the four dams on the lower 470 km of the Columbia River were obtained by using the Physical Habitat ...


30. IPCC Fourth Assessment Report (AR4) Observed Climate Change Impacts Database [CIESIN_SEDAC_IPCC_OBSERVED]
The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessement Report (AR4) Observed Climate Change Impacts Database contains observed responses to climate change across a wide range of systems ...


31. CephBase [utmbnrcc_cephbase_obis]
CephBase is a dynamic html (dhtml) relational database-driven interactive web site that has been online since 1998. The prototype version of CephBase was developed at Dalhousie Univeristy in Halifax, ...


32. Distribution ashore and breeding places of southern elephant seals in South America [AROBIS.eseals_II]
Database with number of individuals and distribution of the southern elephant seals (Mirounga leonina) of Pen?nsula Vald?s, Argentina,breeding colony. ...


33. Spatial and Age-Structured Population Model of the American Crocodile for Comparisons of CERP Restoration Alternatives [USGS_SOFIA_pop_model_am-croc]
To adequately understand crocodile populations and model population growth, existing data must be assembled and model parameters estimated. A simulation model can then be constructed and validated ...


34. Raptor Information System [usgsbrdfresc0007]
The Raptor Information System (RIS) is a computerized literature retrieval system. It deals with raptor management, human impacts on raptors, the mitigation of adverse impacts, and basic raptor biology ...


35. Estimation of Critical Parameters in Conjunction with Monitoring the Florida Snail Kite Population [USGS_SOFIA_kitchens_snail_kite]
Life history traits and the population dynamics of the snail kite may vary considerably across space and over time. Understanding the influence of environmental (spatial and temporal) variation on ...


36. Adelie Penguin Automated Weighing Data Bechervaise Island Antarctica [APMS_BI]
This dataset contains automatically collected data from Adélie Penguins (Pygoscelis adeliae) on Béchervaise Island (Mawson), Antarctica. As pengiuns enter and leave the colony, the time ...


37. Adelie Penguin Automated Weighing Data Terra Nova Bay Antarctica [APMS_EDP]
This dataset contains automatically collected data from Adélie Penguins (Pygoscelis adeliae) at Edmonson Point (Terra Nova Bay), Antarctica. As pengiuns enter and leave the colony, the time ...


38. Adelie Penguin Automated Weighing Data Verner Island Antarctica [APMS_VI]
This dataset contains automatically collected data from Adélie Penguins (Pygoscelis adeliae) on Verner Island (Mawson), Antarctica. As pengiuns enter and leave the colony, the time of departure/entry, ...


39. Adelie Penguin Dietary Data From Edmonson Point, Antarctica [Adelie_diet_EDP]
This dataset contains the results from surveys on the feeding habits of Adelie Penguins (Pygoscelis adeliae) at Edmonson Point, Terra Nova Bay, Antarctica. Surveys have been conducted since 1994, ...


40. Adelie penguin breeding success for Bechervaise Island, Mawson [breeding_success_BI]
Adélie penguin breeding success records for Béchervaise Island, Mawson since 1990-91. Data include counts of occupied nests and chick counts when either 2/3 of the nests have creched ...


41. Adelie penguin foraging trip duration, Bechervaise Island, Mawson [foraging_trip_duration_BI]
Adélie penguin foraging trip duration records for Béchervaise Island, Mawson since 1991-92. Data include average male and female foraging trip durations for both the guard and creche ...


42. Adelie penguin population counts for Bechervaise, Verner and Petersen Islands, Mawson [population_counts_BI]
Intermittent Adélie penguin population counts for Béchervaise, Verner and Petersen Islands, Mawson since 1971. Data include counts of occupied nests for the post 1990/91 data conducted ...


43. Aurora Australis Voyage 1 (THIRST) 1993-94 Demersal Fish Data [AADC-00073]
This dataset contains the data from Voyage 1 1993-94 of the Aurora Australis. The observations were taken from around Heard Island between August and September 1993. The data contains temperature, ...


44. Aurora Australis Voyage 6 (FISHOG) 1991-92 Heard Island Fish Data [AADC-00080]
This dataset contains the data from Voyage 6 (FISHOG) 1991-92 of the Aurora Australis. The observations were taken from the Heard Island area in January and February 1992. The data contains temperature ...


45. Aurora Australis Voyage 7 (KROCK) 1992-93 Zooplankton Data [AADC-00071]
This dataset contains results from the Aurora Australis Voyage 7 (KROCK) 1992-93, related to mesoscale distribution of krill and zooplankton communities in Prydz Bay in relation to physical and biological ...


46. Bechervaise Island Antarctica Adelie Penguin Nest and Mate Data [Demography_BI]
This dataset contains the results from surveys of Adélie Penguins (Pygoscelis adeliae) at Béchervaise Island, Antarctica. Using bands and tag numbers, the identity of a penguin, its ...


47. Population trends of black-browed albatrosses at Heard Island, 1947 - 2001. [ASAC_1219_HIMI_Alb]   PARENT DIF
The breeding population of the black-browed albatross Thalassarche melanophrys has increased at Heard Island since the first census data were obtained in 1947/1948. Four breeding localities are known, ...


48. A CD snapshot of Heard Island data from 1901-2002 held by the AADC [Heard_data_snapshot_1901-2002]
The CD was produced by the Australian Antarctic Data Centre for distribution to Heard Island expeditioners in the 2003/2004 season. The CD contained all publicly available data held by the Australian ...


49. A manipulative field experiment examining the effect of contaminated sediment on the recruitment and recolonisation of soft-sediment infauna. [ASAC_2201_Casey_SRE1]
The effect of location, depth and sediment contamination on recruitment of soft-sediment assemblages were examined in a pilot experiment at Casey Station, East Antarctica. Two locations were used, ...


50. A manipulative field experiment examining the effect of contaminated sediment on the recruitment of soft-sediment infauna (Mar 1998 - Feb 1999). [ASAC_2201_Casey_SRE2]
The effect of location and sediment contamination on recruitment of soft-sediment assemblages were examined in field experiment at Casey Station, East Antarctica. Four locations were used, a polluted ...


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