两种来自墨西哥中东部的新热带红杉物种在木制建筑中的生态应激记忆
Ernesto C Rodríguez-Ramírez1, Jonas Frei2, Fressia N Ames-Martínez3,4
1Laboratorio de Dendrocronología, Universidad Continental, Urbanización San Antonio, Avenida San Carlos 1980, Huancayo, Junín, Peru. erodriguezr@continental.edu.pe.
BMC plant biology
|July 6, 2024
概括
历史上的干旱在热带山地花物种的树环和树脂容器上留下了持久的痕迹,揭示了生态应激记忆和适应策略.
科学领域:
- 生态生态学 生态生态学
- 植物学 植物学
- 气候科学 气候科学
背景情况:
- 干旱驱动了热带山地云林树木木结构中的适应性变异.
- 生态压力记忆会影响黑色木材的宽度和黑色木种的树木血管特征.
- 在墨西哥中东地区研究了两种遗留的花 (Carya palmeri和Carya myristiciformis).
研究的目的:
- 测试历史干旱事件对木材解剖特征的影响.
- 了解过去缺水对树木生长和适应的影响.
- 为了将后木宽度和树脂容器特征与水应力条件相关联.
主要方法:
- 对木的解剖学特征的分析.
- 检查在历史干旱,干旱前和干旱后期间发展的特征.
- 对木材解剖学数据进行时间序列分析.
主要成果:
- 重复的水力压力会在每年的后木生长中留下气候特征.
- 体容器对于水性适应至关重要的特征显示了气候特征.
- 在木材的解剖特征中证明了生态压力记忆.
结论:
- 木材解剖结构和历史干旱之间存在因果关系.
- 生态压力记忆与希科里物种的历史干旱事件有关.
- 对木宽度和树木特征的综合时间序列分析对于了解木生态至关重要.
更多相关视频
相关概念视频
Responses to Heat and Cold Stress
13.4K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.4K
Introduction to Wood
211
Wood, derived from trees, is a versatile and widely used construction material. Trees feature a trunk surrounded by a protective layer of dead bark. Beneath this outer layer lies the living bark, followed by the cambium, and then the sapwood which transitions into heartwood as it matures. At the center of the trunk is the pith. The age of a tree can be discerned by examining its growth rings, which are concentric bands visible in the trunk's cross-section.
The structural integrity of the...
The structural integrity of the...
211
Softwoods and Hardwoods
154
Softwoods and hardwoods, derived from different types of trees, are distinguished by their leaf structures and cellular compositions, each serving unique purposes in construction and manufacturing. Softwoods come from cone-bearing trees with needle-like leaves and are predominantly composed of longitudinal cells called tracheids and a smaller proportion of radial cells known as rays. Due to their cellular structure, softwoods are commonly used in construction for structural frames, sheathing,...
154
Plant Tissues
6.3K
Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Different tissues work together to perform a unique function and form an organ. Organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant,...
6.3K
Threats to Biodiversity
22.2K
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...
22.2K


