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{{Infobox
{{Infobox
  | title  = {{PAGENAME}}
  | title  = {{PAGENAME}}
  | image = [[File:Layer_Active_Demersal_Catch.png|200px]]
  | image = [[File:Layer Bottom Trawl Catch.png|200px]]
  | headerstyle  =  background:#595958; color:#f9f9f9;
  | headerstyle  =  background:#595958; color:#f9f9f9;
  | header1 = Layer Info
  | header1 = Layer Info
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The active demersal catch is a heatmap showing where the catch of the active demersal fleets is more dense or less dense. The fleets considered as active demersal are the ones using trawling of nets on or close to the sea floor.  
The active demersal catch is a heatmap showing where the catch of the active demersal fleets is more dense or less dense. The fleets considered as active demersal are the ones using trawling of nets on or close to the sea floor.  
Source of image: Fishing fleets poster created for NorthSEE project, accessible at [https://community.mspchallenge.info/wiki/Materials_for_facilitators MSP Challenge community website].


==MSP Challenge==
==MSP Challenge==


The active demersal catch does not contribute to the pressure calculations but does affect the species that are catched by this fleet.
Active demersal catch is a month-by-month, computer-generated data layer following this fleet's fishing catch calculated by the ecosystem simulation. This fleet doesn't fish in areas that are [[protected against active demersal fleet]].
 
A plan can also include a change in the fishing efforts for this fleet per [[EEZ]]. Activate the Fishing controls by ticking the appropriate checkbox under section 2b in the Plan Wizard. Subsequently, change the Fishing effort sliders under the Fishing tab of the Plan Details (maximize the Plans Monitor and select your plan)
 
Return to [[Categories and Layers#tab%3DFishing|fishing]].


Return to [[Categories_and_Layers#tab=Fishing|fishing]].
=North Sea=
=North Sea=
Not applicable.
Not applicable.
Line 31: Line 36:
In the Baltic Sea, the active demersal fleets catch mostly:
In the Baltic Sea, the active demersal fleets catch mostly:


* Sprat
* [[Sprat]]
* Herring
* [[Herring]]
* Cod (adults)
* [[Cod]] (adults)


==Types==
==Types==
Line 50: Line 55:
Goncalves, M. ''et al.'' (2019). ''Food-Web Modeling in the Maritime Spatial Planning Challenge Simulation Platform: Results from the Baltic Sea Region''. In Wardaszko, M., Meijer, S., Lukosch, H., Kanegae, H., Kriz, W.C., Grzybowska-Brzezińska, M. (eds). Simulation Gaming Through Times and Disciplines - 50th International Simulation and Gaming Association Conference, ISAGA 2019, Warsaw, Poland, August 26-30, Revised Selected Papers.
Goncalves, M. ''et al.'' (2019). ''Food-Web Modeling in the Maritime Spatial Planning Challenge Simulation Platform: Results from the Baltic Sea Region''. In Wardaszko, M., Meijer, S., Lukosch, H., Kanegae, H., Kriz, W.C., Grzybowska-Brzezińska, M. (eds). Simulation Gaming Through Times and Disciplines - 50th International Simulation and Gaming Association Conference, ISAGA 2019, Warsaw, Poland, August 26-30, Revised Selected Papers.


Tomczak, M.T., Niiranen, S., Hjerne, O., Blenckner, T.: ''Ecosystem flow dynamics in the Baltic proper-using a multi-trophic dataset as a basis for food-web modelling''. Ecol. Model. 230, 123–147 (2012)
Tomczak, M.T., Niiranen, S., Hjerne, O., Blenckner, T.: ''Ecosystem flow dynamics in the Baltic proper-using a multi-trophic dataset as a basis for food-web modelling''. Ecol. Model. 230, 123–147 (2012).


===Original Title===
===Original Title===
Line 66: Line 71:
=Clyde Marine Region=
=Clyde Marine Region=


==Types==
In the Clyde Marine Region, the active demersal fleets catch mostly:
Clyde Marine Region types here
 
*[[Cod]]
*[[Whiting]]
*[[Saithe]]
*[[Sharks]]
*[[Nephrops]]
*Other [[demersal species]]


==Metadata==
==Metadata==
===Data Source===
===Data Source===
Enter data source for Clyde Marine Region here.
The scallop catch data layer comes from the EwE model developed for the Clyde Marine Region Editio of the MSP Chalenge by Jacob W. Bentley (Scottish Association for Marine Science), Jeroen Steenbeek (International Ecopath Initiative), Natalia Serpetti (Scottish Association for Marine Science), and Sheila J.J. Heymans (European Marine Board).


===Original Title===
===Original Title===
Enter name of the layer at the Clyde Marine Region source.
Demersal trawl catch.


===Description===
===Description===
Enter the description of the Clyde Marine Region dataset here.
Catch by all active demersal fleets aggregated.


===Creation Date===
===Creation Date===
yyyy-mm-dd Clyde Marine Region
Not applicable.


===Methodology===
===Methodology===
Enter here how the layer was prepared to be integrated into the MSP Challenge Clyde Marine Region Edition.
Not applicable.


=Adriatic Sea=
=Adriatic Sea=
Not applicable.
Not applicable.


This layer is not available in the Adriatic Sea Edition.<headertabs/>
This layer is not available in the Adriatic Sea Edition.
 
 
=Eastern Mediterranean Sea=
Not applicable.
 
This layer is not present in the Eastern Mediterranean Sea.<headertabs/>

Latest revision as of 13:29, 3 April 2023

Active Demersal Catch
Layer Bottom Trawl Catch.png
Layer Info
Category Activities
Sub-category Fishing

Description

The active demersal catch is a heatmap showing where the catch of the active demersal fleets is more dense or less dense. The fleets considered as active demersal are the ones using trawling of nets on or close to the sea floor.

Source of image: Fishing fleets poster created for NorthSEE project, accessible at MSP Challenge community website.

MSP Challenge

Active demersal catch is a month-by-month, computer-generated data layer following this fleet's fishing catch calculated by the ecosystem simulation. This fleet doesn't fish in areas that are protected against active demersal fleet.

A plan can also include a change in the fishing efforts for this fleet per EEZ. Activate the Fishing controls by ticking the appropriate checkbox under section 2b in the Plan Wizard. Subsequently, change the Fishing effort sliders under the Fishing tab of the Plan Details (maximize the Plans Monitor and select your plan)

Return to fishing.

Not applicable.

This layer is not available in the North Sea Edition.

This layer cover the Baltic Proper area and the Bothnian Sea area only.

In the Baltic Sea, the active demersal fleets catch mostly:

Types

  • Very low density
  • Low density
  • Medium density
  • High density
  • Very high density

Metadata

Data Source

The active demersal catch data layer comes from the EwE model developed on purpose for MSP Challenge usage based on the model by Tomczak, M.T., Niiranen, S., Hjerne, O., Blenckner, T. (2012) with the invaluable contribution of Jeroen Steenbeek, Maciej Tomczak , Giovanni Romagnoni, Rikka Puntilla, Ville Karvinen and Magali Gonçalves.

References:

Goncalves, M. et al. (2019). Food-Web Modeling in the Maritime Spatial Planning Challenge Simulation Platform: Results from the Baltic Sea Region. In Wardaszko, M., Meijer, S., Lukosch, H., Kanegae, H., Kriz, W.C., Grzybowska-Brzezińska, M. (eds). Simulation Gaming Through Times and Disciplines - 50th International Simulation and Gaming Association Conference, ISAGA 2019, Warsaw, Poland, August 26-30, Revised Selected Papers.

Tomczak, M.T., Niiranen, S., Hjerne, O., Blenckner, T.: Ecosystem flow dynamics in the Baltic proper-using a multi-trophic dataset as a basis for food-web modelling. Ecol. Model. 230, 123–147 (2012).

Original Title

Active demersal fleets.

Description

Total catch by all active demersal fleets.

Creation Date

Not applicable.

Methodology

Not applicable.

In the Clyde Marine Region, the active demersal fleets catch mostly:

Metadata

Data Source

The scallop catch data layer comes from the EwE model developed for the Clyde Marine Region Editio of the MSP Chalenge by Jacob W. Bentley (Scottish Association for Marine Science), Jeroen Steenbeek (International Ecopath Initiative), Natalia Serpetti (Scottish Association for Marine Science), and Sheila J.J. Heymans (European Marine Board).

Original Title

Demersal trawl catch.

Description

Catch by all active demersal fleets aggregated.

Creation Date

Not applicable.

Methodology

Not applicable.

Not applicable.

This layer is not available in the Adriatic Sea Edition.


Not applicable.

This layer is not present in the Eastern Mediterranean Sea.

Retrieved from "https://knowledge.mspchallenge.info/index.php?title=Active_Demersal_Catch&oldid=5347"
This page was last edited on 3 April 2023, at 13:29. Content is available under GPLv3 unless otherwise noted.