Description: Proportion of fish stocks within biologically sustainable levels
Sub descriptionDistrictUnit201820192020202120222023
Key commercially harvested species include: Caribbean Spiny Lobster (Panulirus argus), Queen Conch (Lobatus gigas), Stone Crab (Menippe mercenaria), Sea Cucumber (Holuthuria spp.), Shark (Chondrichthyes spp.) Fin fishNational%100100100100100100
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DATA IDENTIFICATION


Name
Proportion of fish stocks within biologically sustainable levels
Indicator purpose

The purpose of this indicator is to measure the sustainability of fish resources.

Abstract

The indicator measures the sustainability of fish resources based on two major considerations: yield and reproduction. When a stock is fished biologically sustainable, it produces good yield without impairing the stock's reproductivity, reaching a good balance between human use and ecological conservation. The proportion is just calculated based on stock numbers, without weighting either by its production volume or stock abundance, that is every fish stock is considered of the same importance.

Data source

Fisheries Department

DATA CHARACTERISTICS



Contact organization person

Fisheries Department

Date last updated
17-OCT-2019
Periodicity
-
Unit of measure

Percentage (%)

Other characteristics

Fish stock assessment science defines the long-term sustainability of fish resources as their abundance is fished at the level that produces the maximum sustainable level. The basic benchmarks for the sustainability of fisheries are set by the UN Convention on the Law of the Sea (UNCLOS, Article 61(3)).

DATA CONCEPTS and CLASSIFICATIONS



Classification used

A fish stock of which abundance is at or greater than the level, that can produce the maximum sustainable yield (MSY) is classified as biologically sustainable. In contrast, when abundance falls below the MSY level, the stock is considered biologically unsustainable.

Disaggregation

Disaggregation by country is not possible for the moment.

Key statistical concepts

Fishery sustainability is defined based on stock abundance. To know stock abundance, one needs to carry out stock assessment that uses fish catch statistics, fishing effort data and biological information and fit the data to a population dynamics model. After completing stock assessment for all stocks concerned, fish stocks that have abundance at or above the level associated with the maximum sustainable yield are counted as biologically sustainable, and otherwise are considered as overfished.

Formula
-
OTHER ASPECTS



Recommended uses

This indicator is used by Fisheries Department to measure the sustainability of fish resources.

Limitations

National fish stock assessments are only available for a few countries, and therefore are not globally or regionally representative.

Other comments

The indicator measures the sustainability of fishery resources very well and is an end-result measure of Target 14.2.

All the metadata shown in this document was gathered from United Nation Statistics Division. The metadata was extracted from https://unstats.un.org/sdgs/metadata/.