Documents

Strategy for Civil Society Engagement in the Protection of the Caspian Sea Marine Environment was presented at the COP3 in Aktau, Kazakhstan, 10–12 August 2011. It contains an analysis and a number of recommendations to improve access to information and participation in decision-making and action towards the implementation of the Tehran Convention and its Protocols at the local, national and regional levels.

The Convention on the legal status of the Caspian Sea is a treaty signed in Aktau, Kazakhstan, on 12 August 2018 by the presidents of Russia, Kazakhstan, Azerbaijan, Iran and Turkmenistan.

The Caspian Sea, abundant with natural living and fossil resources, its coastal areas home to more than 15 million people, faces a series of environmental challenges.

This State of the Caspian Sea Environment Report should be seen and considered as a first try out and starting point towards the creation of a shared environmental information system promoting and securing data collection, monitoring, analysis, harmonization and public communication in support of full implementation of the Tehran Convention and its protocols. We hope that it will improve the Caspian information base, enhance the quality, accessibility and relevance of data and ultimately, contribute to strengthening the regional environmental governance framework.

The Caspian Sea SoE 1 Report in higher resolution can be dowloaded here. 

The data of long-term ecological studies (1999–2014) are used for assessing the impact of a new Caspian invader Mnemiopsis leidyi A. Agassiz, 1865 on marine and anadromous fish species. The introduction of the ctenophore and its massive development in the Caspian Sea have mainly affected planktophagous fish, especially the most abundant species anchovy sprat (Clupeonella engrauliformis Borodin, 1904) and sturgeons (Family Acipenseridae). Mnemiopsis leidyi is one of the main negative factors preventing the restoration of the populations of Caspian fishes, especially anchovy tyulka. The critical state of the resources of the spawning parts of sturgeon populations (Family Acipenseridae) has been reinforced as a result of the massive development of M. leidyi.

Average precipitation and evaporation in the Caspian Sea in 2000-2015.

Created by Manana Kurtabadze.

The tourist brochure describes interesting species of flora and fauna of the Ural River Delta and the adjacent coastal zone of the Caspian Sea.

Map of Sediments in the Caspian Sea Region produced by Manana Kurtrubadze. 

Map of Tourism provided by Manana Kurtrubadze for the SOE (2018).

Map of Population by Number and Cities in the Caspian Sea

Produced by Manana Kurtrubadze for the SOE 2018

Map of Oil Spill Accidents Since 2000

Produced by Manana Kurtrubadze for the SOE 2018

Oil Production & Consumption 2006-2016

Produced by Manana Kurtrubadze for the SOE 2018.

Natural Gas Production and Consumption.

Produced by Manana Kurtrubadze for the SOE 2018.

Map of the Caspian River Basin.

Produced by Manana Kurtrubadze

Produced by Manana Kurtrubadze for the SOE Report 2018

This study is an attempt to develop an integrated methodology to predict the impact of the Caspian Sea on flooding using Geographic Information Systems (GIS) and hydrodynamic modeling. A rise in the sea level might lead to major flooding events, and have a severe impact on the spatial development of cities and regions. The feasibility of simulating a flood event along a drain channel is evaluated near residential development areas along the Chapakroud drain.

The study shows that at these elevations environmental and social problems arise with regards to the drain. The results also indicate that GIS is an effective tool for floodplain visualization and analysis. It should be noted that the mixture of salt and soft water, as a result of rising sea water level, is a problem that was not investigated in this study and should be examined in the future. 

The main focus of review: To determine the Status of invasive species with special attention to the most aggressive invader Mnemiopsis leidyi in the Caspian Sea.

Objectives:

1. To assess vectors, pathways of invasive species introduction, their composition and their role in the Caspian ecosystem.

2. To analyze seasonal and interannual dynamics of the Mnemiopsis leidyi population in the all areas of the Caspian Sea; its impacts on the Caspian ecosystem including food recourses (zooplankton) and fish stocks along with other emerging environmental threats such as increased nutrient load from the coast, structural and quantitative changes in phyto-and-zooplankton communities, the appearance of harmful algal bloom (HAB) in the Southern Caspian.

3. To prepare recommendations for follow-up actions on invasive species management: - for the protection and control of the Caspian Sea from any sources of accidental invasive species introductions - for possibility of biological control of invader Mnemiopsis leidyi.

The primary source of this Review has been national reports from every of the five Caspian littoral countries, which included results of national observations of ecosystem state and biodiversity of the Caspian Sea. But due to fragmental data of the national observations on invasive species