Tidal Wetlands Changes by ACP countries

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Resource ID

bb5c18a3-e4a4-45fb-9ec1-2a2e01e0eace

Date

Dec. 15, 2022, 12:53 p.m., Publication

Abstract

Tidal wetlands, occurring at the interface between terrestrial and marine systems, are important ecosystems in terms of biodiversity richness and productivity. These ecosystems provide fundamental ecosystem functioning and services such as the carbon sequestration, water and soil purification, support of fisheries and coastal protection. Tidal wetlands are threatened by human activities. Assess and monitor the extent and distribution of the changes of tidal wetlans is fundamental for coastal communities and natural resource management. In a new study, In a new stydy, researchers have developed a global analysis of satellite data to monitor changes in the highly interconnected intertidal ecosystem types—tidal flats, tidal marshes, and mangroves—from 1999 to 2019. They found that globally, 13,700 square kilometers of tidal wetlands have been lost and other 9700km2 was gained leading to a net change of −4000 km2 over twenty years. For African, Caribbean and Pacific countries, the loss in the last two decades was around 1818 square kilometres and the gain was 1092 square kilometres. The net change had was - 725 sqkm Country Country gain area (sqkm) Country loss area (sqkm) Country net change (sqkm) Angola 7.14 8.71 -1.57 Antigua and Barbuda 0.67 0.39 0.28 Benin 1.19 2.14 -0.95 Bahamas 32.24 91.09 -58.86 Belize 6.62 11.10 -4.49 Barbados 0.00 0.07 -0.07 Cote d'Ivoire 1.13 2.84 -1.70 Cameroon 8.94 12.49 -3.55 Democratic Republic of the Congo 0.88 0.59 0.30 Congo 0.13 1.08 -0.94 Cook Islands 0.00 0.00 0.00 Comoros 0.02 0.48 -0.47 Cape Verde 0.17 0.00 0.17 Cuba 70.61 269.94 -199.33 Djibouti 0.06 0.49 -0.43 Dominica 0.00 0.02 -0.02 Dominican Republic 7.72 5.22 2.51 Eritrea 1.05 1.39 -0.34 Fiji 7.04 8.87 -1.83 Micronesia (Federated States of) 1.50 0.70 0.80 Gabon 4.41 9.06 -4.65 Ghana 2.70 34.90 -32.20 Guinea 22.41 92.85 -70.43 Gambia 1.43 0.79 0.64 Guinea-Bissau 60.64 85.24 -24.60 Equatorial Guinea 0.14 0.86 -0.72 Grenada 0.02 0.22 -0.20 Guyana 47.09 93.61 -46.51 Haiti 6.99 9.84 -2.86 Jamaica 2.24 5.93 -3.69 Kenya 7.80 6.86 0.94 Kiribati 2.63 0.45 2.19 Saint Kitts and Nevis 0.02 0.05 -0.02 Liberia 0.58 3.93 -3.34 Saint Lucia 0.01 0.02 -0.01 Madagascar 198.32 221.40 -23.08 Marshall Islands 0.39 0.00 0.39 Mozambique 176.36 206.73 -30.37 Mauritania 4.49 1.45 3.04 Mauritius 0.24 2.10 -1.86 Namibia 3.87 2.76 1.11 Nigeria 27.01 186.36 -159.35 Niue 0.00 0.00 0.00 Palau 0.76 0.90 -0.14 Papua New Guinea 149.02 216.08 -67.06 Sudan 2.13 2.98 -0.85 Senegal 6.32 5.84 0.48 Solomon Islands 7.22 9.16 -1.94 Sierra Leone 2.50 22.01 -19.51 Somalia 1.52 8.28 -6.76 Sao Tome and Principe 0.00 0.00 0.00 Suriname 136.29 104.12 32.18 Seychelles 0.17 0.50 -0.33 Togo 0.13 0.32 -0.19 Timor-Leste 1.56 2.24 -0.68 Tonga 2.11 0.71 1.41 Trinidad and Tobago 3.53 1.43 2.11 Tuvalu 0.35 0.38 -0.03 United Republic of Tanzania 40.13 27.02 13.11 Saint Vincent and the Grenadines 0.05 0.10 -0.05 Vanuatu 1.31 0.25 1.06 Samoa 0.04 0.15 -0.11 South Africa 20.94 32.55 -11.62 Reference: Murray, N.J., Worthington, T.A., Bunting, P., Duce, S., Hagger, V., Lovelock, C.E., Lucas, R., Saunders, M.I., Sheaves, M., Spalding, M., Waltham, N.J., Lyons, M.B., 2022. High-resolution mapping of losses and gains of Earth's tidal wetlands. Science. doi:10.1126/science.abm9583

Edition

Responsible

lippisi

Point of Contact

LIPPI

Simona.LIPPI@ext.ec.europa.eu

Purpose

Source dataset: Murray Global Tidal Wetland Change v1.0 (1999-2019) | Earth Engine Data Catalog | Google Developers

Maintenance Frequency

None

Type

not filled

Restrictions

None

License

Not Specified

Language

eng

Temporal Extent

Start

End

Supplemental Information

No information provided

Data Quality

Extent

x0: -179.99999999990004
x1: 180.00000000010004
y0: -38.175217499288124
y1: 30.37239370410623

Spatial Reference System Identifier

EPSG:4326

Keywords

no keywords

Category

Environment

Regions

Global

Resource Metadata

Tidal Wetlands Changes by ACP countries