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CONTACT_ORGANISATION
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Key English Actions
SDG_INDICATOR
<p>Indicator 6.6.1: Change in the extent of water-related ecosystems over time</p>
SDG_SERIES_DESCR
<p>Extent of inland wetlands (square kilometres)</p>
<p>Extent of human made wetlands (square kilometres)</p>
META_LAST_UPDATE
2022-03-31
SDG_RELATED_INDICATORS
<p>15.1</p>
SDG_CUSTODIAN_AGENCIES
<p>Secretariat of the Ramsar Convention on Wetlands</p>
CONTACT_ORGANISATION
<p>Secretariat of the Ramsar Convention on Wetlands</p>
STAT_CONC_DEF
<p><strong>Definition:</strong></p>
<ul>
<li>&#x201C;extent of wetlands&#x201D; </li>
</ul>
<p>This term can be defined as the surface area of wetlands. It is measured in km<sup>2 </sup>or hectares. It is expected that the surface reported by countries in 2018 correspond to that of 2017; if not, the reference year should be indicated. </p>
<ul>
<li>&#x201C;change in the extent of wetlands&#x201D; </li>
</ul>
<p>This term refers to the percentage change in area of wetlands from a baseline reference. For reporting such change, the previous extent, if known, and the period over which the change has taken place should be specified. </p>
<p><strong>Concepts:</strong></p>
<p>In order to provide a precise definition of the indicator, it is crucial to provide a definition of </p>
<p><strong>&#x201C;Water related ecosystems&#x201D;. </strong>For this purpose, the definition of the Ramsar Convention on Wetlands is used.</p>
<ul>
<li><strong>the Ramsar definition of &#x201C;wetlands&#x201D;</strong></li>
</ul>
<p>The Ramsar definition is very broad, reflecting the purpose and global coverage of the Convention:</p>
<p>In accordance with Article 1.1 of the Convention, <br>&#x201C;<em>Wetlands are areas of marsh, fen, peatland or water, whether natural or artificial, permanent or temporary, with water that is static or flowing, fresh, brackish or salt, including areas of marine water the depth of which at low tide does not exceed six metres</em>&#x201D;.</p>
<p>In addition, in accordance with Article 2.1, Ramsar Sites <br>&#x201C;<em>may incorporate riparian and coastal zones adjacent to the wetlands, and islands or bodies of marine water deeper than six metres at low tide lying within the wetlands</em>&#x201D;.</p>
<p><strong>- the Ramsar system of classifying wetland types</strong></p>
<p>Many national definitions and classifications of &#x201C;wetlands&#x201D; are in use. They have been developed in response to different national needs and take into account the main biophysical features (generally vegetation, landform and water regime, and sometimes also water chemistry such as salinity) and the variety and size of wetlands in the locality or region being considered.</p>
<p>The <u>Ramsar Classification System for Wetland Types</u>, adopted at COP4 in 1990, and amended at COP6 in 1996 (Resolution VI.5) and at COP7 in 1999 (Resolution VII.11) has value as a basic internationally applicable habitat description for sites designated for the Ramsar List of Wetlands of International Importance.</p>
<p>The System (see <strong>Annex 1)</strong> describes the types of wetland covered by each of the wetland type codes. Note that the wetland types are grouped in three major categories: <u>marine/coastal</u>, <u>inland</u>, and <u>human-made</u> wetlands. Within a single Ramsar Site or other wetland, there may be wetland types from two or more of these categories, particularly if the wetland is large. </p>
<p>For the purpose of the Target and Indicator, and based on the National Reports Parties report on the use of the three major categories. Countries also use Ramsar definition that has been internationally agreed under the Convention. The minimum information that should be provided is the total area of wetlands for each of these three categories with an emphasis on inland wetlands or freshwater ecosystems for purpose of indicator 6.6.1 (see table below, the explanations of each wetland type code is in Annex 1). </p>
<p><strong>Table 1: Tabulations of Wetland Type characteristics, Inland Wetlands:</strong></p>
<table>
<tbody>
<tr>
<td rowspan="16">
<p>Fresh water</p>
</td>
<td rowspan="4">
<p>Flowing water</p>
</td>
<td rowspan="3">
<p>Permanent</p>
</td>
<td>
<p>Rivers, streams, creeks </p>
</td>
<td>
<p>M</p>
</td>
</tr>
<tr>
<td>
<p>Deltas</p>
</td>
<td>
<p>L</p>
</td>
</tr>
<tr>
<td>
<p> Springs, oases</p>
</td>
<td>
<p>Y</p>
</td>
</tr>
<tr>
<td>
<p>Seasonal/intermittent</p>
</td>
<td>
<p>Rivers, streams, creeks</p>
</td>
<td>
<p>N</p>
</td>
</tr>
<tr>
<td rowspan="4">
<p>Lakes and pools</p>
</td>
<td rowspan="2">
<p>Permanent</p>
</td>
<td>
<p>&gt; 8 ha</p>
</td>
<td>
<p>O</p>
</td>
</tr>
<tr>
<td>
<p>&lt; 8 ha</p>
</td>
<td>
<p>Tp</p>
</td>
</tr>
<tr>
<td>
<p>Seasonal/intermittent</p>
</td>
<td>
<p>&gt; 8 ha</p>
</td>
<td>
<p>P</p>
</td>
</tr>
<tr>
<td></td>
<td>
<p>&lt; 8 ha</p>
</td>
<td>
<p>Ts</p>
</td>
</tr>
<tr>
<td rowspan="4">
<p>Marshes on inorganic soils</p>
</td>
<td>
<p>Permanent</p>
</td>
<td>
<p>Herb-dominated</p>
</td>
<td>
<p>Tp</p>
</td>
</tr>
<tr>
<td rowspan="2">
<p>Permanent/ Seasonal/intermittent</p>
</td>
<td>
<p>Shrub-dominated</p>
</td>
<td>
<p>W</p>
</td>
</tr>
<tr>
<td>
<p>Tree-dominated</p>
</td>
<td>
<p>Xf</p>
</td>
</tr>
<tr>
<td>
<p>Seasonal/intermittent</p>
</td>
<td>
<p>Herb-dominated</p>
</td>
<td>
<p>Ts</p>
</td>
</tr>
<tr>
<td rowspan="2">
<p>Marshes on peat soils</p>
</td>
<td rowspan="2">
<p>Permanent</p>
</td>
<td>
<p>Non-forested</p>
</td>
<td>
<p>U</p>
</td>
</tr>
<tr>
<td>
<p>Forested</p>
</td>
<td>
<p>Xp</p>
</td>
</tr>
<tr>
<td rowspan="2">
<p>Marshes on inorganic or peat soils</p>
</td>
<td colspan="2">
<p>High altitude (alpine)</p>
</td>
<td>
<p>Va</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>Tundra</p>
</td>
<td>
<p>Vt</p>
</td>
</tr>
<tr>
<td rowspan="4">
<p>Saline, brackish or alkaline water</p>
</td>
<td rowspan="2">
<p>Lakes</p>
</td>
<td colspan="2">
<p>Permanent</p>
</td>
<td>
<p>Q</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>Seasonal/intermittent</p>
</td>
<td>
<p>R</p>
</td>
</tr>
<tr>
<td rowspan="2">
<p>Marshes &amp; pools</p>
</td>
<td colspan="2">
<p>Permanent</p>
</td>
<td>
<p>Sp</p>
</td>
</tr>
<tr>
<td colspan="2">
<p>Seasonal/intermittent</p>
</td>
<td>
<p>Ss</p>
</td>
</tr>
<tr>
<td rowspan="2">
<p>Fresh, saline, brackish or alkaline water</p>
</td>
<td colspan="3">
<p>Geothermal</p>
</td>
<td>
<p>Zg</p>
</td>
</tr>
<tr>
<td colspan="3">
<p>Subterranean</p>
</td>
<td>
<p>Zk(b)</p>
</td>
</tr>
</tbody>
</table>
UNIT_MEASURE
<p>The extent of wetlands is measured in km<sup>2</sup></p>
CLASS_SYSTEM
<p>The international standard classification being used is the Ramsar Classification System for Wetland Types, adopted at COP4 in 1990, and amended at COP6 in 1996 (Resolution VI.5) and at COP7 in 1999 (Resolution VII.11) which is a basic internationally applicable habitat description for sites designated for the Ramsar List of Wetlands of International Importance and other wetlands. See item 7 Annex 1 for the full classification.</p>
SOURCE_TYPE
<p>The Ramsar Convention on Wetlands Secretariat has been collecting and analysing data on country implementation since 2000 including information about wetland inventories. This is done at intervals of 3 years, that is the cycle of Country reporting under the Convention </p>
<p>The 1999 review of the state of wetland inventory worldwide (<em>Global review of wetland resources and priorities for wetland inventory </em>- GRoWI), which was undertaken for the Ramsar Convention, identified not only the major gaps in the extent to which wetland inventory had been undertaken, but also found that for the inventories which had been made, it was frequently very hard to trace their existence, to identify their purpose, scope and coverage, and/or to access the information contained in them.</p>
<p>Another source of information is the update of the Wetland Extent Trends (WET) Index that was commissioned by the Ramsar Convention Secretariat to WCMC. The Wet Index is an updatable indicator of wetland area trends where there are still gaps of information. However, it is not applicable at national level and has not been used, as data are not available at national level. This will be fixed with national reports. </p>
<p>In the format for National Report for COP13 the Contracting Parties agreed the inclusion of an indicator on the extent of wetlands and change in the extent (indicator 6.6.1). For COP13, 44% of Contracting Parties have completed national wetlands inventories and 16% of Parties reported that their wetland inventories are in progress. Therefore, all data are provided to the Ramsar Secretariat by countries in the form of a country report following a standard format, which includes the original data and reference sources and descriptions of how these have been used to estimate the extent of wetlands. </p>
COLL_METHOD
<p>All data are provided by Ramsar Administrative Authorities to the Ramsar Secretariat in the form of country reports of implementation of the Convention based on a standard format that it is been approved by the Standing Committee. The format includes indicators to estimate wetland extent with reference sources.</p>
<p>As indicated in the Quality Assurance section, for remaining countries where no information is provided, a report is prepared by the Ramsar Secretariat using existing information and a literature search. All country reports (including those prepared by the Ramsar Secretariat) are sent to the respective Administrative Authority for validation before finalization.</p>
Key English Actions
ADJUSTMENT
<p>As indicated in item 2.c, the international standard classification being used is the Ramsar Classification System for Wetland Types, adopted at the Fourth Meeting of the Conference of the Parties to the Convention on Wetlands (COP4) in 1990.</p>
<p>When reporting on the SDGs data, we use the regional aggregates according to the &#x201C;SDG regional groupings for compliance with SDG processes. </p>
CLASS_SYSTEM
<p>The international standard classification being used is the Ramsar Classification System for Wetland Types, adopted at COP4 in 1990, and amended at COP6 in 1996 (Resolution VI.5) and at COP7 in 1999 (Resolution VII.11) which is a basic internationally applicable habitat description for sites designated for the Ramsar List of Wetlands of International Importance and other wetlands. See item 7 Annex 1 for the full classification.</p>
COLL_METHOD
<p>All data are provided by Ramsar Administrative Authorities to the Ramsar Secretariat in the form of country reports of implementation of the Convention based on a standard format that it is been approved by the Standing Committee. The format includes indicators to estimate wetland extent with reference sources.</p>
<p>As indicated in the Quality Assurance section, for remaining countries where no information is provided, a report is prepared by the Ramsar Secretariat using existing information and a literature search. All country reports (including those prepared by the Ramsar Secretariat) are sent to the respective Administrative Authority for validation before finalization.</p>
COMPARABILITY
<p>The national figures are reported by the countries themselves following standardized format for the National Reports for the COPs that included definitions and reporting years, thus eliminating any discrepancies between global and national figures. The reporting format ensures that countries provide the full reference for original data sources as well as national definitions and terminology. </p>
COMPILING_ORG
<p>Secretariat of the Ramsar Convention on Wetlands: The Secretariat expects to work with UNEP as co-custodian of this indicator and other<strong> </strong>UN agencies and partners.<strong> </strong></p>
CONTACT_ORGANISATION
<p>Secretariat of the Ramsar Convention on Wetlands</p>
COVERAGE
<p><strong>Data availability:</strong></p>
<p>Data are available for all countries (143) that submitted National Reports for COP13 as well as for previous COPs as indicated below. The data collected include information on wetland inventories and extent. For the missing country data (16%) as indicated in the &#x201C;Quality assurance section&#x201D;, the Secretariat will prepare in 2018 reports with the available source of information for Indictor 6.6.1 that will be sent to the respective Ramsar Administrative Authorities for validation. The gaps of information will be addressed during 2018 and 2019 to fully report in late 2020. </p>
<p><strong>Time series:</strong></p>
<p>The Secretariat holds National Report information from COP8 (2002), COP9 (2005), COP10 (2008), COP11 (2012), COP12 (2015) and COP13 (2018) National Reports, in databases which permit an analysis of trends in implementation over time, from the 2002-2005 triennium to 2012-2015 that includes specific indicators such as wetland inventories. However, for wetland extent, the data collection has started in 2018. Contracting Parties report in two main categories in the Ramsar classification: inland and human-made wetlands.</p>
<p><strong>Disaggregation:</strong></p>
<p>No further disaggregation of this indicator </p>
DATA_COMP
<p>Wetland area (Km<sup>2</sup> or ha, reference year)/Change in the extent of wetlands (water-related ecosystems over time) a baseline reference and year.</p>
<p> </p>
<p>Based upon the national wetland inventory (complete or partial), countries provide a baseline figure in square kilometres for the extent of wetlands (according to the Ramsar definition) for the year 2017. The minimum information that should be provided is the total area of wetlands for each of the three major categories; &#x201C;marine/coastal&#x201D;, &#x201C;inland&#x201D; and &#x201C;human-made.</p>
<p>If the information is available, countries indicate the % change in the extent of wetlands over the last three years. If the period of data covers more than three years, countries provide the available information, and indicate the period of the change. For reporting such change, the previous extent, if known, and the period over which the change has taken place should be specified. </p>
<p>This indicator can be aggregated to global or regional level by adding all country values globally or in a specific region. </p>
DATA_SOURCE
<p>Ramsar Administrative Authorities prepare and submit to the Ramsar Secretariat their National Reports on implementation for each Conference of the Parties. Countries with dependent territories prepare more than one report. For the remaining countries where no information is provided, a report is prepared by the Ramsar Secretariat using existing information and a literature search that is validated by the concerned countries. </p>
DATA_VALIDATION
<p>The Convention contributes to monitoring progress of Indicator 6.6.1 with data from National Reports on extent of wetlands, based on the Convention&#x2019;s definitions and requirements for reporting. State Parties to the Convention report to the Secretariat every three years that is the cycle of the Convention. The data submitted by the State Parties on their National Reports on Indicator 6.6.1 are review by the Secretariat and Focal Points of the State Parties are contacted in case clarifications are necessary. Once the clarifications are made, the data are submitted to the SDGs Indicators Database. </p>

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Key
CONTACT_ORGANISATION
Flags
read-only
String age
2 years ago
Last updated
11 months ago
Source string age
2 years ago
Translation file
translations-metadata/en/6-6-1b.yml, string 8