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Quasipaa spinosa

棘胸蛙

Source:IUCN

Taxonomy



 

Taxonomy in detail

Scientific name


 
Authority


 
Synonyms


 
Common names


 
Taxonomic sources
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Identification Information
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Taxonomic notes


 

Assessment Information

IUCN Red List Category and Criteria
Vulnerable A2abc ver 3.1
Assessment language
English
Year published
2004
Date assessed
2004-04-30 00:00:00 UTC

Assessment Information in detail

Previously published Red List assessments


 
Regional assessments
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Assessor(s)


 
Reviewer(s)


 
Contributor(s)
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Facilitator(s) / Compiler(s)
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Partner(s) / Institution(s)
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Authority / Authorities
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Justification
Listed as Vulnerable because of an observed population decline, estimated to be more than 30% over the last three generations, inferred from over-harvesting, observed shrinkage in distribution, and ongoing habitat destruction and degradation. The generation length is estimated to be five years.

Geographic Range

Native
Extant (resident)
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Extant
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Number of locations
-


 

Geographic Range in detail

FAO Fishing Areas
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Estimated area of occupancy (AOO) (km²)
Continuing decline in area of occupancy (AOO)
Extreme fluctuations in area of occupancy (AOO)
Estimated extent of occurrence (EOO) (km2)
Continuing decline in extent of occurrence (EOO)
Extreme fluctuations in extent of occurrence (EOO)
Continuing decline in number of locations
Extreme fluctuations in the number of locationsN
RANGE DESCRIPTION
This species is found in central, south-western and southern China, including Hong Kong. Its range in Viet Nam is difficult to define since many older records of P. spinosa probably refer to other Paa taxa, including P. verrucospina and P. yunnanensis. Bourret (1942:291) stated that he encountered P. spinosa only from Mao Son and Bac-Kan. It has been recorded from 200-1,500m asl.

Population

Current population trend
Decreasing
Number of mature individuals
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Population severely fragmented
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Continuing decline of mature individuals
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Population in detail

Extreme fluctuations
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No. of subpopulations
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Continuing decline in subpopulations
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Extreme fluctuations in subpopulations
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All individuals in one subpopulation
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No. of individuals in largest subpopulation
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Description
This species is believed to have undergone a dramatic decline in China. Bourret (1942) encountered rather large numbers in Mao Son, but also noted intensive collection. It was recorded to be common in Ha Giang Province, Viet Nam (R. Bain pers. comm.).

Habitat and Ecology

System
Terrestrial|Freshwater (=Inland waters)
Number of mature individuals
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Continuing decline in area, extent and/or quality of habitat
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Generation length (years)
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Congregatory
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Movement patterns
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Habitat and Ecology in detail

Habitat and Ecology
It lives and breeds in rocky streams in evergreen forest and open countryside on hills and mountains. It breeds in streams, and the eggs are laid in water under stones.
Classification scheme
Habitats Suitability Major importance

Threats

Use trade
Residential & commercial development
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Agriculture & aquaculture
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Energy production & mining
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Transportation & service corridors
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Biological resource use
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Human intrusions & disturbance
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Natural system modifications
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Pollution
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Geological events
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Climate change & severe weather
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Threats in detail

Threats
It has been collected for consumption throughout its range for many decades and such harvesting still continues; even in the 1930s it was traded from Mao Son as far as Hanoi (Bourret 1942). It is presumably also impacted by extensive habitat degradation, due to agriculture and the construction of dams (the latter involving changes in hydrology).
Classification scheme Threats
title scope timing score severity

Use trade

Use trade

Text summary


Text summary in detail

Conservation Actions Information
It is present in several protected areas in China. One location in Viet Nam is within Tay Con Linh II Nature Reserve. Harvest management or cessation, and the safeguarding of suitable habitat are priorities for the conservation of this species. Clarification of the taxonomic identity and the distribution of Paa frogs in this region are necessary.
About us
本项目由中国科学院A类战略先导专项“地球大数据科学工程”及中国科学院十三五信息化建设专项“科学大数据工程”提供支持,旨在整合物种的评估与保护信息,为生物多样性保护提供数据支持。
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