5e0d6b78-e6fd-4880-8e58-e3f7ef27fcc5 Spatineo Inc. +358 20 703 2210 Kellosilta 2 D Helsinki FI-00520 Finland info@spatineo.com 2021-02-28T01:06:18Z ISO 19115:2003/19139 1.0 Atlantic_Seabirds_Naive_Species_Effort_adjusted_Counts_Seasonal-WMS 2016-09-13T18:20:50Z 2013-01-24T20:55:37Z 1 This is the species data layer showing seasonal naive species occurrence. ?Naive? means that these species counts should not be taken as a direct index of relative abundance, since absence of detections does not imply the species does not occur there. Counts (detections) were adjusted using the five-minute equivalent effort units; however due to biases in methods, these maps combining multiple surveys should be used as ?presence? maps that strongly reflect survey effort. The data encompass all years but is split out by season for each species; only one species and one season are shown at a time. This layer displays occurrence for Northern Gannet, Greater Shearwater, Long-tailed Duck, and Dovekie for the winter, spring, summer, and fall seasons. USGS Patuxent Wildlife Research Center 301-497-5596 USGS Patuxent Wildlife Research Center 12100 Beech Forest Road Laurel, MD 20708-4038 Laurel 20192 United States of America mwimer@usgs.gov Natural Resources Regulatory Monitoring Modeling Outer Continental Shelf Coast Biology Marine Atlantic Offshore Seabirds Arctic Rating OGC:WMS 1.3.0 None -94.25 -55.25 24 64 At this time, data use must take into account use constraints (data limitations) listed here, and cite the Atlantic Offshore Seabird Dataset Catalog. USGS, 2011. Use_Constraints: Seabirds provide unique challenges even when using estimation techniques to sample populations (e.g., Tasker et al. 1984, Spear et al. 1992). To date, there has been little consistency among survey designs. Surveys have varied by the type of vessel from which they are conducted (ship, plane), the methodology that counts are made, the width of the area being counted, and equipment used, among many other differences. Under such circumstances, comparing results and making inferences can be difficult. Because these estimates of effort-adjusted counts do not account for detection probability, they are likely biased by factors that affect this parameter such as weather, survey method, observer, or other environmental variables (MacKenzie et al. 2006). ASDD nodes zserver z3950://www.google.com:6668/geonetwork z3950 ASDD Z3950 zserver http://gis1.usgs.gov/arcgis/services/USGS_Patuxent_Wildlife_Research_Center/Atlantic_Seabirds_Naive_Species_Effort_adjusted_Counts_Seasonal-WMS/MapServer/WMSServer?SERVICE=WMS&REQUEST=GetCapabilities http://directory.spatineo.com/service/8572 WWW:LINK-1.0-http--link Service in Spatineo Directory