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Tag: Marine mammal

Historical decline of the Caspian seal (Pusa caspica)
It is unclear how many seals remain in the Caspian Sea. From a population estimated at more than one million in the early years of the twentieth century, population estimates now vary between 110 000 and 350 000. For mo...
17 Oct 2013 - by GRID-Arendal
Estimated potential yearly whale watching revenue
The value of marine recreational activities was calculated by Cisneros-Montemayor & Sumaila (2010). A database of reported expenditure on marine recreational activities was compiled for 144 coastal countries, with the au...
16 Oct 2013 - by GRID-Arendal
Protected Areas in the Arctic
Protected areas have long been viewed as a key element for maintaining and conserving Arctic biodiversity and the functioning landscapes upon which species depend. Arctic protected areas have been established in strategi...
17 Mar 2010 - by Hugo Ahlenius, GRID-Arendal & CAFF
Protected Areas in the Arctic by IUCN category
Protected areas have long been viewed as a key element for maintaining and conserving Arctic biodiversity and the functioning landscapes upon which species depend. Arctic protected areas have been established in strategi...
17 Mar 2010 - by Hugo Ahlenius, GRID-Arendal & CAFF
Protected areas and World Heritage sites in the Arctic (CAFF area)
Protected areas have long been viewed as a key element for maintaining and conserving Arctic biodiversity and the functioning landscapes upon which species depend. Arctic protected areas have been established in strategi...
01 Oct 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal