将特征对气候变化的反应纳入物种分布模型:前进的道路
Shijia Peng1,2, Aaron M Ellison1,3, Charles C Davis1
1Department of Organismic and Evolutionary Biology, Harvard University Herbaria, Harvard University, Cambridge, MA, 02138, USA.
The New phytologist
|July 27, 2025
概括
本研究引入了基于特征的等级物种分布模型 (SDM) 的简化框架,以预测气候变化下的物种范围变化. 它整合了个体特征的反应,以便更准确地预测物种分布.
科学领域:
- 生态生态学 生态生态学
- 气候变化生物学 气候变化生物学
- 生物多样性科学 生物多样性科学
背景情况:
- 传统的物种分布模型 (SDM) 往往忽视了物种特征等生物因素,限制了它们在环境变化下预测分布的准确性.
- 基于过程的特征SDM包含特征,但是数据密集型和复杂的参数化.
- 基于层次特征的SDM提供了一个可扩展的解决方案,但很难解释气候依赖的特征变化.
研究的目的:
- 开发一个基于特征的简化层次 SDM 框架,整合个体特征反应,以改善物种范围转移预测.
- 解决现有模型在不同气候条件下适应变化的特征空间方面的局限性.
- 增强基于特征的SDM的应用,以了解物种在广泛尺度和未来气候中的分布.
主要方法:
- 开发了一种基于特征的物种分布模型 (SDM) 的新,简化的层次框架.
- 将个体特征反应直接集成到建模过程中,以预测物种范围的变化.
- 解决了在不同气候场景下改变特征空间的挑战.
主要成果:
- 新的框架有助于在广泛的时间,空间和分类学尺度上将特征纳入SDM.
- 该模型成功地整合了个体特征反应,用于预测物种范围的变化.
- 为了解气候变化下的特征介导物种分布提供了更强大的方法.
结论:
- 基于特征的简化层次SDM框架改善了对应气候变化的物种范围转移的预测.
- 这种方法增强了我们对物种特征如何影响跨环境和时间梯度的分布的理解.
- 促进基于特征的SDM大规模应用,用于保护和气候适应战略.
相关概念视频
01:15Natural Selection and Adaptation
394
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
Beyond physical adaptations,...
394
00:54Distribution and Dispersion
22.4K
To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic arrangement is known as the species distribution or dispersion. Highly territorial species exhibit a uniform distribution pattern, in which individuals are spaced at relatively equal distances from one another. Species that are highly tied to particular resources, such as food or shelter, tend to concentrate around those resources, and thus exhibit a...
22.4K
01:10Transcription
148.3K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
148.3K
02:41Responses to Drought and Flooding
11.0K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.0K
01:16What is Climate?
18.9K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
18.9K
01:57Adaptations that Reduce Water Loss
26.3K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
26.3K