Recommendations for IUCN Red List Conservation Status of the “Dryophytes immaculatus Group” in North East Asia
Abstract
:1. Introduction
2. Materials and Methods
2.1. Species Introduction
2.2. Field Surveys
2.3. Method for Assessment
2.4. General Introduction and Threats to the Three Species
2.5. IUCN Assessment: Dryophytes immaculatus
2.5.1. Population Size Reduction
2.5.2. Geographic Range
2.5.3. Small Population Size and Decline
2.5.4. Very Small or Restricted Population
2.5.5. Quantitative Analysis
2.6. IUCN Assessment: Dryophytes suweonensis
2.6.1. Population Size Reduction
2.6.2. Geographic Range
2.6.3. Small Population Size and Decline
2.6.4. Very Small or Restricted Population
2.6.5. Quantitative Analysis
2.7. IUCN Assessment: Dryophytes flaviventris
2.7.1. Population Size Reduction
2.7.2. Geographic Range
2.7.3. Small Population Size and Decline
2.7.4. Very Small or Restricted Population
2.7.5. Quantitative Analysis
3. Results
3.1. Extinction Threat Estimate: Dryophytes immaculatus
3.1.1. Population Size Reduction
3.1.2. Geographic Range
3.1.3. Small Population Size and Decline
3.1.4. Very Small or Restricted Population
3.1.5. Quantitative Analysis
3.2. Extinction Threat Estimate: Dryophytes suweonensis
3.2.1. Population Size Reduction
3.2.2. Geographic Range
3.2.3. Small Population Size and Decline
3.2.4. Very Small or Restricted Population
3.2.5. Quantitative Analysis
3.3. Extinction Threat Estimate: Dryophytes flaviventris
3.3.1. Population Size Reduction
3.3.2. Geographic Range
3.3.3. Small Population Size and Decline
3.3.4. Very Small or Restricted Population
3.3.5. Quantitative Analysis
4. Discussion
5. Conclusions
Funding
Acknowledgments
Conflicts of Interest
References
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Criterion | Critically Endangered | Endangered | Vulnerable | Dryophytes immaculatus | Dryophytes suweonensis | Dryophytes flaviventris |
---|---|---|---|---|---|---|
A. Population size reduction | ||||||
A1 | ≥90% | ≥70% | ≥50% | n. a. | n. a. | n. a. |
A2 | ≥80% | ≥50% | ≥30% | 27.5% | 15.9% | 15.9% |
A3 | ≥80% | ≥50% | ≥30% | 27.5% | 15.9% | 15.9% |
A4 | ≥80% | ≥50% | ≥30% | 27.5% | 15.9% | 15.9% |
B. Geographic range | ||||||
B1 | <100 km2 | <5000 km2 | <20,000 km2 | >20,000 km2 | 18,409 km2 | 876 km2 |
B2 | <10 km2 | <500 km2 | <2000 km2 | 412 + 160 km2 | 268 km2 | |
C. Small population size and decline | ||||||
C1 | <250 | <2500 | <10,000 | 405,000 ? | ||
C2 | <250 | <2500 | <10,000 | ca. 2500 | ca. 552 | |
D. Very small or restricted population | ||||||
D1 | <50 | <250 | <1000 | 405,000 ? | ca. 2500 | ca. 552 |
D2 | – | – | AOO < 20 km2 | |||
E. Quantitative analysis | ||||||
E | ≥50% | ≥20% | ≥10% | 50.5% R Korea | 61.92% |
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Borzée, A. Recommendations for IUCN Red List Conservation Status of the “Dryophytes immaculatus Group” in North East Asia. Diversity 2020, 12, 336. https://doi.org/10.3390/d12090336
Borzée A. Recommendations for IUCN Red List Conservation Status of the “Dryophytes immaculatus Group” in North East Asia. Diversity. 2020; 12(9):336. https://doi.org/10.3390/d12090336
Chicago/Turabian StyleBorzée, Amaël. 2020. "Recommendations for IUCN Red List Conservation Status of the “Dryophytes immaculatus Group” in North East Asia" Diversity 12, no. 9: 336. https://doi.org/10.3390/d12090336