在肯尼亚绘制适合全球危猛禽息地的地图:整合气候因素和保护计划
Peggy Mutheu Ngila1,2, David Odhiambo Chiawo2, Margaret Awuor Owuor3,4
1Department of Land Resource Management and Agricultural Technology University of Nairobi Nairobi Kenya.
Ecology and evolution
|September 4, 2023
概括
气候变化威胁到肯尼亚的猛禽,大多数物种预计将发生负面转变. 保护工作必须集中在当前的高度适合这些临灭绝的和掠食鸟的地区.
科学领域:
- 鸟类学和保护生物学
- 生态建模和气候变化影响
背景情况:
- 猛禽在全球面临的威胁包括电击,碰撞和息地丧失,许多物种研究不足,它们的分布不明.
- 了解猛禽的空间分布和环境影响对于有效保护这些顶级捕食者至关重要.
研究的目的:
- 解决肯尼亚猛禽息地和分布的知识差距,考虑到当前和未来的气候变化影响.
- 评估四种临灭绝的肯尼亚猛禽物种适合的息地:战斗,秘书鸟,白和草原.
主要方法:
- 使用的物种分布模型 (SDM) 与来自全球生物多样性信息设施 (GBIF) 的发生数据.
- 评估了气候预测因素对两种气候变化情景 (2020-2040) 下猛禽分布的影响.
主要成果:
- 猛龙在肯尼亚的分布集中在西南部和中部地区.
- 关键的气候预测因物种而异:草原和秘书鸟的降雨量 (最温暖的季度),武的温度 (最干燥的季度),Bateleur的降雨量 (最冷的季度).
- 预计在未来的气候变化情景下,除了白鱼以外的所有物种都将经历负面的范围转移.
结论:
- 气候变化可能会对肯尼亚研究的猛禽物种产生不利影响.
- 建议在预测气候适应性较高的地区进行有针对性的监测和调查,重点关注可能经历重大转变的地区.
- 强调需要进行持续的研究,以完善预测模型,并加强危猛禽的保护策略.
更多相关视频
12:26Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM
Published on: October 11, 2016
13.4K
04:10Visually Sexing Loggerhead Shrike Lanius Ludovicianus Using Plumage Coloration and Pattern
Published on: March 8, 2020
6.1K
相关概念视频
Conservation of Declining Populations
9.7K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
9.7K
Habitat Fragmentation
17.6K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.6K
Threats to Biodiversity
22.4K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
22.4K
Migration
8.0K
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
8.0K
What is Conservation Biology?
18.5K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
18.5K
Conservation of Small Populations
13.2K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
13.2K
