伟大的逃脱:敌人释放的模式不能通过时间,空间或气候来解释
Zoe A Xirocostas1, Jeff Ollerton2,3, Riin Tamme4
1Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, UNSW Sydney, New South Wales 2052, Australia.
Proceedings. Biological sciences
|August 16, 2023
概括
引入新生态系统的植物经历的食草动物损害显著减少,这种现象被称为敌人释放. 这项研究发现,敌人的释放与时间,气候或位置无关,这表明其他因素也会影响入侵的成功.
科学领域:
- 生态生态学 生态生态学
- 侵入性物种 生物学 生物学
- 植物与草食动物的相互作用
背景情况:
- 引入的植物物种可以通过逃避共同进化的食草动物,在新的生态系统中取得成功.
- 这个这个这个这个这个
- 敌人释放释放敌人的释放
- 允许植物重新分配资源,从防御到生长和繁殖.
- 了解敌人释放对于预测入侵风险至关重要.
研究的目的:
- 为了量化进口植物物种中敌人释放的数量.
- 调查敌人释放与时间,空间和气候等因素之间的关系.
- 识别敌人释放的潜在指标,以预测入侵物种风险.
主要方法:
- 对比了16个欧洲植物物种在本地和澳大利亚引入的范围内的草食物种实地测量.
- 分析了12个地点的草食动物损害水平.
- 评估敌人释放和引入以来的时间,射程大小,温度,降水,湿度和海拔之间的相关性.
主要成果:
- 植物在本地范围遭受的草食动物损害大约是其引入范围的七倍.
- 敌人释放和引入后的时间,引入范围的大小或气候变量 (温度,降水,湿度,高度) 之间没有发现显著的关系.
结论:
- 敌人释放是研究引入植物物种的重要因素.
- 时间,空间和气候等因素似乎不能很好地预测敌人释放的程度.
- 未来的研究应该探索植物特征,如叶子防御和植物遗传关系,作为敌人释放和入侵潜力的潜在指标.
相关概念视频
Distribution and Dispersion
21.9K
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...
21.9K
Global Climate Change
24.5K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.5K
What is Weather?
18.3K
Overview
18.3K
What is Climate?
18.6K
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.
18.6K
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
Speciation Rates
21.3K
Overview
21.3K


