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Seabirds, density - WMS

Description:

Spatial and seasonal distributions of selected species of seabirds in the German Bight.

Data source:

TOPAS-Windobs Datenbank + TOPAS-FTZobs Datenbank.

These are data from Environmental Impact Assessments (EIS) and monitoring studies under the permit procedures of BSH in the North Sea EEZ and research data of the FTZ.


Data collection:

Ship-based and aircraft-based transect counts.

The basis of all ship-based seabird counts is the standardized method described by Tasker et al. (1984) and Garthe et al. (2002). Following this method, seabirds within a transect strip of known length and width were recorded. Thus the number of birds per area (density) can be calculated. Seabird counts from aircrafts are described in Diederichs et al. (2002). It is also a transect based method.

Time periods: Ship: June 2000 to Aug. 2013, aircraft: March 2002 to June 2013.


Data analysis:

Based on all survey years; for each species (or species group) and each species-specific season the mean density [individuals/km²] per raster cell is calculated as "the sum of the counted seabirds divided by the sum of the survey effort inside the raster cell". Species specific correction factors were used for the calculation of the density (Garthe et al. 2007, 2009; Markones and Garthe 2012). For divers separate correction factors were calculated for each single data collection team and then combined into a weighted average.


Product description:

Vector raster with "10 km x 10 km" raster cells (EPSG 3035).

WMS: classification by mean density (5 ranges), visualization by graduated symbols.


Bibliography see: ftp://ftp.bsh.de/outgoing/gdi-bsh/public/M/M5/docs/Seebirds_density_bibliography.htm

 
Citation proposal
. Seabirds, density - WMS. https://services.mspdata.eu:/geonetwork/srv/api/records/7ab2ee0b-b1a0-4cdc-b11b-b26e0c5d6e71

Simple

Identification info

Date ( Creation )
2015-06-19

  Point of contact

Forschungs- und Technologiezentrum Westküste (FTZ) - Henriette Schwemmer (Wissenschaftliche Angestellte)  

Hafentörn 1

Büsum

25761

Germany


  +494834 604 142 
  +494834 604 299 
Keywords
  • seabirds

    ,

    density

    ,

    biology

    ,

    distribution

    ,

    North Sea

    ,

    monitoring

    ,

    counting

    ,

    conservation

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.

Resource constraints

No information provided.
Classification
Unclassified
Access constraints
License
Use constraints
License
Other constraints

Lizenz: GeoNutzV

Service Type
WMS
Service Version

1.1.1

Service Version

1.1.0

Service Version

1.3.0

N
S
E
W


Coupled Resource

Operation Name
Identifier

df447c67-84b3-4194-a99d-22a0194570a1

Coupling Type
Tight

Contains Operations

Operation Name

GetCapabilities

Distributed Computing Platforms
HTTPGet
Connect Point
https://www.geoseaportal.de/wss/service/BIO_Seabirds_Density/guest  

Contains Operations

Operation Name

GetMap

Distributed Computing Platforms
HTTPGet
Connect Point
https://www.geoseaportal.de/wss/service/BIO_Seabirds_Density/guest  

Contains Operations

Operation Name

GetFeatureInfo

Distributed Computing Platforms
HTTPGet
Connect Point
https://www.geoseaportal.de/wss/service/BIO_Seabirds_Density/guest  
Operates On
  •   df447c67-84b3-4194-a99d-22a0194570a1
Reference system identifier

urn:ogc:def:crs:EPSG

/

4326

/

6.11.2

Distribution format
  • unknown

    (

    unknown

    )

  Point of contact

BSH - Dr. Maria Böthling (Sachbearbeiterin)  

Bernhard-Nocht-Str. 78

Hamburg

20359

Germany


  +4940 3190-3513 
  +4940 3190-5000 
Hierarchy level
Service
Other
Statement

Bundesamt für Seeschifffahrt und Hydrographie (BSH)

Metadata

File identifier
7ab2ee0b-b1a0-4cdc-b11b-b26e0c5d6e71   XML
Metadata language
English
Character set
UTF8
Hierarchy level
Service
Hierarchy level name

Biologie

Hierarchy level name

Beobachtungen

Date stamp
2018-02-27
Metadata standard name

ISO 19119

Metadata standard version

1.0

  Point of contact

BSH - Dr. Maria Böthling (Sachbearbeiterin)  

Bernhard-Nocht-Str. 78

Hamburg

20359

Germany


  +4940 3190-3513 
  +4940 3190-5000 
 
 

  Overviews

Spatial and seasonal distributions of selected species of seabirds in the German Bight.

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