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The Persian leopard Panthera pardus tulliana is an endangered large felid living in mountainous landscapes of the Caucasus, Southwest Asia and parts of Central Asia. In this paper, we review available literature to update our information on the status, population, ecology, threats, and management recommendations in regard to this big cat in the region. Most of the Alborz and Kopetdag Ecoregions harbour the largest population of Persian leopard with some protected areas having the highest densities of these carnivores. A total of 348 to 440 leopards are guessed to exist in the region, making it one of the largest continuous leopard hotspots across Asia. Almost 80% of the population exists in Iran, followed by Turkmenistan which holds the second largest Persian leopard population, while the leopard population in Kazakhstan mainly depends on transboundary transient individuals from Turkmenistan.

Agreement on the conservation and sustainable use of aquatic biological resources of the Caspian Sea was signed on 29 September 2014 in Astrakhan, Russian Federation, during the Fourth Caspian Summit.

The Parties agree upon cooperation on (i) giving priority to the conservation of aquatic biological resources, (ii) sustainable use of aquatic biological resources, (iii) application of accepted international rules, (iv) ecosystem preservation and biodiversity protection, (v) conservation of aquatic biological resources in scientific research and use this as a basis of common aquatic biological resources management, and (vi) taking measures for sustainable use and conservation of aquatic biological resources in the Caspian Sea and for management of common aquatic biological resources. The Parties shall develop the cooperation by research studies, data collection, exchange of scientific and technical documents, experience and information, preventive measures for illegal, unreported and unregulated fishing and by development of short, medium and long-term programs for aquatic production and for their reintroduction into their natural habitats. 

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Sampling was conducted from the vessel Svetlomor 2 by personnel from AmC, the Ministry of Ecology and Natural Resources (MENR) and SOCAR. Sediment samples for physical and chemical analysis consisted of 2 replicates, while 3 replicates were taken for biological analyses. Analyses were carried out at AmC Caspian Environmental Laboratory.

The sediment characteristics and metal concentrations around Chirag were found to be highly variable within and between stations, with generally little change being observed from 2008. Despite the detection footprint remaining unchanged from previous years, LAO concentrations continue to reduce. THC and PAH concentrations were generally low, with the highest concentrations being recorded at stations directly to the northeast of the platform.

Ba concentrations were highest within the LAO contamination footprint, suggesting the higher concentrations to be the result of historical drilling discharges. As observed on previous years the concentration of Cd was also highest within this area. The LAO and Ba footprint, indicating the extent of contamination from platform drilling discharges was found to extend 1250m NE, 500m N, 750m E, 1000m W and 250m S of the Chirag platform position.

The 2010 macrobenthic community was numerically dominated by polychaetes and amphipods.

Abundance and species richness were highest at stations on the periphery of the survey area and decreased towards the platform. The lowest abundance an taxonomic richness were found at stations within the LAO and Ba footprint, with the sparsest communities being present at stations directly to the northeast of the platform. Despite a continual reduction in hydrocarbon concentrations from 2006, a general reduction in abundance and taxonomic richness has been observed at the Chirag survey area from 2000 to 2008. This negative trend has reversed in 2010, with a survey wide increase in annelid abundance and amphipod abundance and taxonomic richness being observed. No distinct change in the physicochemical characteristics has been observed between 2008 and 2010 that can be attributed to the abrupt reversal of these trends.

No additional physicochemical impacts from operational activities have been observed between 2008 and 2010 and in general contamination levels continue to reduce