Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Natural and Cultural Heritage of the Ohrid region' has mentioned 'Ecosystem' in the following places:
Occurrence Sentence Text Source
Contents 1 Geography 2 Origin 3 Hydrology 4 Physical and geochemical properties 5 Wetland habitats 6 Fauna 6.1 Birds 7 Socio-economy 8 World Heritage Site 9 Science and research 10 Human influence 11 Declaration on the Protection of the Lake Ohrid Ecosystem 12 Namesakes 13 See also 14 References 15 External links
The population in the catchment has increased by 100,000 people in the last half century, putting the lake's fragile ecosystem under pressure.
Among other contributions, such research has delivered the first empirical evidence for niche-based assembly processes from a natural system and demonstrated the establishment of dynamic equilibrium in an isolated ecosystem during the slowdown of both speciation and extinction rates.
Declaration on the Protection of the Lake Ohrid Ecosystem[edit]
On May 3, 2018, the Society of Wetland Scientists released the Declaration on the Protection of the Lake Ohrid Ecosystem, which was passed unanimously by 45 attending members at its 13th annual Europe meeting.
[59] It further describes the "critical importance" of the last intact marsh on the Lake Ohrid shore, Studenchishte Marsh, in terms of its species composition and ecosystem services such as water quality improvement, carbon storage and flood retention among others.
The Institute for Hydrobiology in Ohrid is responsible for the continuous monitoring of the Lake Ohrid ecosystem, the research and care for Lake Ohridxe2x80x99s flora and fauna, as well as the management of the fish hatchery, also to enrich the Lakexe2x80x99s fish stocks.