在北波罗的海的沙罗植物和芽植物的分布和共发生模式
Kristjan Herkül1, Kaire Torn2, Tiia Möller-Raid2
1Estonian Marine Institute, University of Tartu, Mäealuse 14, 12618, Tallinn, Estonia. kristjan.herkul@ut.ee.
Scientific reports
|November 16, 2023
概括
这项研究分析了水生植物的共同存在,发现沙罗植物和芽植物在它们的群体内更容易相互作用. 种类分布模型揭示了这些软基质巨体中显著的非随机模式.
科学领域:
- 生态生态学 生态生态学
- 植物学 植物学
- 水生植物生态学 水生植物生态学
背景情况:
- 了解共发生模式对于水生生态系统至关重要.
- 巨植物,包括花植物和芽植物,是软基质息地的关键组成部分.
- 之前的研究还没有完全阐明这些特定的对应物种之间的空间关系.
研究的目的:
- 分析了11种软基质植物和苗种的分布数据.
- 调查共发生模式,量化对象性巨型植物物种的分布区域.
- 为了测试观察到的共发生模式偏离随机机会的假设.
主要方法:
- 使用了广泛的实地采样数据库来获取宏生物发生数据.
- 采用了采用各种环境变量 (地形,水力动力,地质,物理,化学,生物) 的随机森林模型.
- 应用 permutation 测试来评估同时发生模式的统计学意义.
主要成果:
- 检测到与随机共发生模式的统计学上显著的偏差.
- 种类在它们的分类组 (花植物和木植物) 内的共同发生率高于群体之间的共同发生率.
- Chara aspera和Chara canescens表现出最广泛的重叠;Zostera marina的重叠最少,单一物种的发生最多.
- 预测Stuckenia pectinata的分布面积是最大的.
结论:
- 这些巨型植物物种之间的同时发生模式是非随机的,并受到分类学相关性的影响.
- 通过随机森林建模的环境因素是空间分布和重叠的关键驱动因素.
- 佐斯特拉码头的有限重叠表明了独特的生态要求或竞争互动.
相关概念视频
01:21Green Algae
26
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
26
01:19Other Algae
30
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
30
01:27Diversity of Protists III
29
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
29
02:26Non-vascular Seedless Plants
64.6K
The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
64.6K
01:23Red Algae
34
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
34
03:24Seedless Vascular Plants
60.5K
Seedless Vascular Plants Were the First Tall Plants on Earth
60.5K