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{{Infobox
{{Infobox
  | title  = {{PAGENAME}}
  | title  = {{PAGENAME}}
  | image = [[File:Passive_Demersal.png|200px]]
  | image = [[File:Passive_Demersal_Fleet.png|200px]]
  | headerstyle  =  background:#595958; color:#f9f9f9;
  | headerstyle  =  background:#595958; color:#f9f9f9;
  | header1 = Layer Info
  | header1 = Layer Info
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The passive demersal catch is a heatmap showing where the catch of the passive demersal fleets is more dense or less dense. The fleets considered as passive demersal are the ones using fixed or drift nets on or close to the seafloor.
The passive demersal catch is a heatmap showing where the catch of the passive demersal fleets is more dense or less dense. The fleets considered as passive demersal are the ones using fixed or drift nets on or close to the seafloor.


Source of image: fishionary.fisheries.org, accessed in April 2020.
Source of image: [https://www.sustainweb.org/resources/images/fish_city/gc_fishing_method_passive_nets_1_small.jpg www.sustainweb.org], accessed on 2022-04-05.


==MSP Challenge==
==MSP Challenge==
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This layer is not available in the North Sea Edition.
This layer is not available in the North Sea Edition.
=Baltic Sea=
=Baltic Sea=
This layer cover the Baltic Proper area only.
This layer cover the Baltic Proper area only.
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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===
Passive demersal catch.
Passive demersal catch.
Line 61: Line 63:
===Methodology===
===Methodology===
Not applicable.
Not applicable.
=Clyde Marine Region=
=Clyde Marine Region=
Not applicable.
Not applicable.
Line 69: Line 72:
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 13:28, 3 April 2023

Passive Demersal Catch
Passive Demersal Fleet.png
Layer Info
Category Activities
Sub-category Fishing

Description

The passive demersal catch is a heatmap showing where the catch of the passive demersal fleets is more dense or less dense. The fleets considered as passive demersal are the ones using fixed or drift nets on or close to the seafloor.

Source of image: www.sustainweb.org, accessed on 2022-04-05.

MSP Challenge

Passive 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 passive demersal catch.

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 only.

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

Types

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

Metadata

Data Source

The passive 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:

Gonçalves, 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

Passive demersal catch.

Description

Total catch by all passive demersal fleets.

Creation Date

Not applicable.

Methodology

Not applicable.

Not applicable.

This layer is not available in the Clyde Marine Region Edition.

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=Passive_Demersal_Catch&oldid=5346"
This page was last edited on 3 April 2023, at 13:28. Content is available under GPLv3 unless otherwise noted.