Norfolk/VA Beach Inshore Vessel Surveys
最新版本 由 Test Organization #1 發佈於 2021年4月27日 Test Organization #1

Original provider: HDR Environmental, Operations and Construction, Inc. Dataset credits: The U.S. Navy Marine Species Monitoring Program Abstract: A combination of visual line-transect survey, photo-identification (photo-ID), and automated acoustic monitoring methods was used to gather important baseline information on the occurrence, distribution, and density of marine mammals near Naval Station Norfolk (NSN) and adjacent areas. The study area was designed to cover areas where United States Navy activity is substantial, including Chesapeake Bay waters near NSN and Joint Expeditionary Base Little Creek-Fort Story, as well as a Mine Exercise (MINEX) Area (W-50) in the Atlantic Ocean off the coast of Virginia Beach, Virginia. Sixty-one line-transect surveys were completed in two zones (INSHORE and MINEX) between August 2012 and August 2015, with 6,550 kilometers (km) and 349.6 hours completed on-effort. The majority of sightings were of bottlenose dolphins (Tursiops truncatus), although humpback whales (Megaptera novaeangliae), harbor porpoises (Phocoena phocoena), and short-beaked common dolphins (Delphinus delphis) were also sighted in the study area on occasion. In addition, loggerhead sea turtles (Caretta caretta), leatherback sea turtles (Dermochelys coriacea), and a Kemp’s ridley sea turtle (Lepidochelys kempii) were sighted during surveys. Conventional line-transect analysis of bottlenose dolphin sightings showed both spatial and seasonal variation in density and abundance, with greatest density in the INSHORE zone during fall months. Densities in the INSHORE zone were calculated as 3.88 individuals per square kilometer (km2) (abundance[N]=1,203) in fall, 0.63 individuals per km2 (N=195) in winter, 1.00 individuals per km2 (N=311) in spring, and 3.55 individuals per km2 (N=1,101) in summer. Densities in the MINEX zone were calculated as 2.14 individuals per km2 (N=1,277) in fall, 0.06 individuals per km2 (N=37) in winter, 1.53 individuals per km2 (N=913) in spring, and 1.39 individuals per km2 (N=829) in summer. Twenty-seven photo-ID surveys were completed, and a photo-ID catalog was created using photos taken during both dedicated photo-ID and line-transect surveys through May 2014; it contains 878 identified individuals to date. Subsequent photos will continue to be added and analyzed. One hundred ten individuals were re-sighted; however, most re-sightings were less than 4 months and 30 km apart. Additional survey effort and further analysis will be required before any clear movement patterns can be determined. C-POD acoustic data-loggers were initially deployed at four sites throughout the study area to cover areas of high United States Navy activity. Bottlenose dolphins were detected in each deployment location during all deployments from August 2012 to December 2015. Though deployments did not provide consistent coverage in all seasons for all sites due to loss of gear, results from two deployment sites nearest to NSN showed a greater level of occurrence during fall months, and a diel pattern of occurrence with increased detections during nighttime hours for three deployment sites. Purpose: The HDR Marine Species Monitoring (MSM) Team was tasked to initiate a monitoring project in coastal waters around NSN, JEB-LC, JEB-FS, and the Virginia Beach waterfront, including the VACAPES MINEX W-50 training area. The main objective is to provide quantitative data and information on the seasonal occurrence, distribution, and density of marine mammals. Effort was dedicated to working with local researchers and employing proven marine mammal monitoring and research techniques to accomplish the following: 1. Conduct monthly systematic line-transect surveys to determine distribution of marine mammals in the vicinity of NSN, JEB-LC, JEB-FS, and the MINEX W-50 area. 2. Conduct monthly photo-identification (photo-ID) surveys during summer months to determine the site fidelity and distributional patterns of marine mammals utilizing the areas listed above. 3. Supplement visual surveys by deploying and retrieving four C-POD acoustic recording devices to monitor for dolphin echolocation clicks in specific locations. Supplemental information: [2019-08-26] New data were appended and some columns with empty values were removed. The dataset name is changed by dropping the time period part. Off-effort segments with the time span longer than 5 minutes or speed larger than 200km/h were deleted. [2015-03-24] A few records had a wrong animal count of zero. The value is replaced with a blank representing species presence only. [2014-11-25] Attributes were reorganized so that they meet provider's data schema and effort data (tracklines) were added. This dataset includes a subset of the data collection for the Norfolk-VABeach Vessel surveys. Other data of the collection are available in the following datasets: Norfolk/VA Beach MINEX Vessel Surveys Norfolk/VA Beach Photo-ID Surveys Aug 2012-Sep 2013 All the US Navy-funded survey datasets are found in the OBIS-SEAMAP US Navy page. The project is on-going and more data will be added periodically.

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DwC-A資料集 下載 482 紀錄 在 English 中 (44 kB) - 更新頻率: 依其他週期更新
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版本

以下的表格只顯示可公開存取資源的已發布版本。

如何引用

研究者應依照以下指示引用此資源。:

Engelhaupt, A., J. Aschettino, T.A. Jefferson, D. Engelhaupt, and M. Richlen. 2016. Occurrence, Distribution, and Density of Marine Mammals Near Naval Station Norfolk & Virginia Beach, VA: Final Report. Prepared for U.S. Fleet Forces Command. Submitted to Naval Facilities Engineering Command (NAVFAC) Atlantic, Norfolk, Virginia, under Contract No. N62470-10-3011, Task Orders 031 and 043, issued to HDR Inc., Norfolk, Virginia. 12 October 2016. https://www.navymarinespeciesmonitoring.us/files/9514/7630/9222/Engelhaupt_et_al._2016_-_Norfolk_Surveys_2015.pdf

權利

研究者應尊重以下權利聲明。:

此資料的發布者及權利單位為 Test Organization #1。 This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

GBIF 註冊

此資源已向GBIF註冊,並指定以下之GBIF UUID: d9308276-4b56-42f9-ac9a-60484f367c4f。  Test Organization #1 發佈此資源,並經由GBIF Secretariat同意向GBIF註冊成為資料發佈者。

關鍵字

Occurrence,Norfolk-VABeach Vessel,Marine Animal Survey,Marine Biology,Marine mammals,Sea turtles,Visual Sighting,Aircraft; Occurrence

外部資料

此資源尚有其他格式可用

OBIS-SEAMAP Dataset Page http://seamap.env.duke.edu/dataset/1071 UTF-8 Interactive map
FGDC Metadata http://seamap.env.duke.edu/dataset/1071/xml UTF-8 XML
聯絡資訊

資源建立者:

Amy Engelhaupt
Primary contact
Dan Engelhaupt
Primary contact

可回覆此資源相關問題者:

Amy Engelhaupt
Primary contact
Dan Engelhaupt
Primary contact

元數據填寫者:

OBIS-SEAMAP
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
27708 Durham
NC
US
http://seamap.env.duke.edu

與此資源的相關者:

散布者
OBIS-SEAMAP
Marine Geospatial Ecology Lab, Duke University
A328 LSRC building
27708 Durham
NC
US
http://seamap.env.duke.edu
擁有者
Amy Engelhaupt
Primary contact
擁有者
Dan Engelhaupt
Primary contact
地理涵蓋範圍

North Atlantic

界定座標範圍 緯度南界 經度西界 [36.565, -76.369], 緯度北界 經度東界 [36.996, -75.807]
分類群涵蓋範圍

Scientific names are based on the Integrated Taxonomic Information System (ITIS).

Family  Cheloniidae (Sea Turtles)
Species  Tursiops truncatus (Common Bottlenose Dolphin),  Megaptera novaeangliae (Humpback Whale),  Lepidochelys kempii (Kemp's Ridley),  Caretta caretta (Loggerhead Sea Turtle)
時間涵蓋範圍
起始日期 / 結束日期 2012-09-07 / 2015-08-14
計畫資料

無相關描述

計畫名稱 The U.S. Navy Marine Species Monitoring Program
經費來源 The U.S. Navy Marine Species Monitoring Program

參與計畫的人員:

擁有者
Amy Engelhaupt
擁有者
Dan Engelhaupt
取樣方法

NA

研究範圍 NA

方法步驟描述:

  1. NA
收藏資料
蒐藏名稱 zd_1071
蒐藏編號 zd_1071
上層採集品識別碼 OBIS-SEAMAP
額外的元數據

marine, harvested by iOBIS

目的 The HDR Marine Species Monitoring (MSM) Team was tasked to initiate a monitoring project in coastal waters around NSN, JEB-LC, JEB-FS, and the Virginia Beach waterfront, including the VACAPES MINEX W-50 training area. The main objective is to provide quantitative data and information on the seasonal occurrence, distribution, and density of marine mammals. Effort was dedicated to working with local researchers and employing proven marine mammal monitoring and research techniques to accomplish the following: 1. Conduct monthly systematic line-transect surveys to determine distribution of marine mammals in the vicinity of NSN, JEB-LC, JEB-FS, and the MINEX W-50 area. 2. Conduct monthly photo-identification (photo-ID) surveys during summer months to determine the site fidelity and distributional patterns of marine mammals utilizing the areas listed above. 3. Supplement visual surveys by deploying and retrieving four C-POD acoustic recording devices to monitor for dolphin echolocation clicks in specific locations.
替代的識別碼 https://ipt.gbif.org/resource?r=test-marie-obis-seamap