JP106
Lake Hamanako, Enshunada


IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Common Pochard Aythya ferina VU winter 2004 present A4i
Greater Scaup Aythya marila LC winter 2004 present A4i
Falcated Duck Mareca falcata NT winter 2004 present A4i
Little Tern Sternula albifrons LC breeding 2004 present A4i
A4iii Species group - waterbirds n/a winter 2004 min 20,000 individuals A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 medium not assessed negligible
Was the whole site covered? Yes State assessed by unset
Accuracy of information unknown

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Pollution agricultural & forestry effluents - type unknown/unrecorded likely in long term (beyond 4 years) majority/most of area/population (50-90%) slow but significant deterioration medium

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Little/none of site covered (<10%) Unknown Unknown negligible
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Tenryugawa isei enshunada 都道府県指定鳥獣保護区 3,219 protected area overlaps with site 0
Shizuoka Prefectural Fisheries Coordination Regulations Article35(1) the second row of the table 保護水面 21 protected area contained by site 0
Shizuoka Prefectural Fisheries Coordination Regulations Article35(1) the first row of the table 保護水面 16 protected area contained by site 0
Omaezaki enshunada 都道府県立自然公園 1,629 protected area overlaps with site 0
Mikkabi seibu 都道府県指定鳥獣保護区 3,174 protected area is adjacent to site 0
Matsumigaura 都道府県指定鳥獣保護区 172 protected area overlaps with site 0
Kosaishi ochiba 都道府県指定鳥獣保護区 1,000 protected area is adjacent to site 0
Kiga 都道府県指定鳥獣保護区 317 protected area is adjacent to site 0
Kanzanji 都道府県指定鳥獣保護区 483 protected area overlaps with site 0
Inohanako 都道府県指定鳥獣保護区 638 protected area overlaps with site 0
Hosoe ko shuhen 都道府県指定鳥獣保護区 574 protected area overlaps with site 0
Hamana ko 都道府県立自然公園 16,708 protected area overlaps with site 0
Enshunada 都道府県指定鳥獣保護区 5,261 protected area overlaps with site 0
Common fishery right area(Shizuoka) 共同漁業権区域 41,322 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Coastal lagoons, Sand dunes and beaches -
For further information about the habitat classification please click here.


Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Lake Hamanako, Enshunada. Downloaded from http://www.birdlife.org on 21/09/2020.