Lake Ohrid Docs

The following papers relate to Lake Ohrid, its limnology, its biodiversity and its massive resources for the study of the environment, climate and evolution.


The environmental and evolutionary history of Lake Ohrid (FYROM/Albania): interim results from the SCOPSCO deep drilling project (Wagner et al, Biogeosciences) presents early insights from one of the most complete ancient lake drilling cores in the world, addressing questions such as the age of Lake Ohrid and how evolutionary and environmental processes interact.

Zooplankton in ancient and oligotrohic Lake Ohrid in association with environmental variables (Tasevka, Croatian Journal of Fisheries: Ribarstvo)  reveals the spatial and seasonal patterns of this important species group, which, alongside containing endemic taxa, is a key element of the Lake Ohrid food chain.

Vulnerability of European freshwater catchments to climate change (Markovic et al, Global Change Biology) finds that, of 18,723 catchments across the continent, the sibling lakes of Ohrid and Prespa are the most threatened by rising temperatures.

Ohrid Trout Pollution


Liver pathology of female Ohrid trout (Salmo letnica Kar) from the eastern coast of Lake Ohrid: Baseline data suggesting a pollution gradient (Jordanova et al, Turkish Review of Fisheries and Aquatic Sciences) is the second paper to indicate a pollution curtain dividing the north and south of the lake. It hints that diminishing water quality may also be contributing to Ohrid trout to extinction.

The status of an isolated population of Goosander Mergus merganser in the Balkans  (Catsadorakis et al, Wildfowl) reports on the small, hidden Ohrid-Prespa population of goosander, which represents the southernmost breeding group in the Western Palearctic region.

Kostoski et al.jpg


A freshwater biodiversity hotspot under pressure – assessing threats and identifying conservation needs for ancient Lake Ohrid (Kostoski et al, Biogeosciences) is probably the most complete overview of current threats to the inland water, analyzing everything from climate change to the disturbance of spawning grounds by speed-boats. Recommendations such as in-lake protected areas are also put forward.

Diversity and dynamics of the fungal community in Lake Ohrid (Comic et al, Aquatic Biology)  represents the first local study of aquatic fungi, listing 36 species of that were recovered from 5 fieldwork sites. It is the first hydromycological study for Lake Ohrid.

The last glacial-interglacial cycle in Lake Ohrid (Macedonia/Albania): Testing diatom response to climate (Reed et al, Biogeosciences) underlines the importance of Lake Ohrid for understanding environmental and evolutionary responses to climate change.

Lake Ohrid Endemism


Biodiversity of ichythyofauna from Lake Prespa, Lake Ohrid and Lake Skadar (Talevski et al, Biotechnology and Biotechnological Equipment) provides the complete breakdown of native, alien, endemic, and shared fish species for the three inter-connected lakes of the Drim Basin.

Matzinger et al.jpg


Ancient Lake Ohrid: Biodiversity and Evolution (Albrecht & Wilke, Hydrobiologia) summarizes the existing knowledge about Lake Ohrid, including a species breakdown, formation and origin, endemism rates, geology and even threats. It is probably the most complete introduction to the lake available.


Eutrophication of ancient Lake Ohrid: global warming amplifies detrimental effects of increased nutrients (Matzinger et al, 2007, Limnology and Oceanography) predicts that warming global temperatures will significantly worsen the effects of nutrients entering Lake Ohrid, resulting in extreme oxygen depletion. The answer is to reduce phosphorous inputs by about 50%. Studenchishte, we need you.

Talevski et al


Lake Ohrid – A Unique Ecosystem Endangered By Eutrophication? (Matzinger, A. via BALWOIS) discovers that human-caused eutrophication is indeed underway at Lake Ohrid with a 4-fold rise in phosphorous inputs over 100 years. Households are the main source, followed by agriculture. The paper focuses on water treatment and agricultural practices as targets for improvement.


Lake Ohrid, Macedonia and Albania management experience and lessons learned brief (Avramoski et al) is a project evaluation that reveals how Lake Ohrid may have unnaturally aged by thousands of years due to eutrophication, which has already resulted in shifts in species’ composition. Advice includes policy and institutional reform.

Avramoski et al

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