一项关于生生物水生动物的调查
Cecilia Odette Carral-Murrieta1, Antonio C Marques2, Elisa Serviere-Zaragoza1
1Centro de Investigaciones Biológicas del Noroeste (CIBNOR), La Paz, Baja California Sur, Mexico.
PeerJ
|June 5, 2023
概括
本综述记录了Sargassum藻类上的131种水生动物物种,更新了全球数量. 需要对Sargassum epibionts进行进一步的研究,以揭示生态模式.
科学领域:
- 海洋生物学 海洋生物学
- 无脊椎动物动物学
- 生态生态学 生态生态学
背景情况:
- 棕色藻类Sargassum在浅海环境中作为众多水生动物物种的重要息地.
- 之前的全球计数发现了39种在Sargassum上存在的生性水生动物物种,由于最近的Sargassum丰度增加,特别是加勒比地区,需要进行更新的评估.
研究的目的:
- 进行全面的审查和更新全球物种丰富的水生动物在Sargassum.
- 分析1802年至2022年在萨尔加索姆上生病性水生动物的历史趋势和地理分布.
主要方法:
- 进行了系统的文献调查,纳入了133个出版物和来自墨西哥的新记录.
- 分析了220年 (18022022) 的数据,以编制与26种Sargassum物种相关的生水生动物物种的综合清单.
主要成果:
- 在Sargassum上共记录了131种水生动物物种,主要属于Hydroidolina亚类 (130种),其中有一种是状鱼 (Gonionemus vertens).
- 热带大西洋地区的多样性最高,有67个记录的水生动物物种.
- 大多数相关的水生动物 (93个物种) 呈现盆地生命周期,形成直立的,分支的殖民地 (67个物种) 与大型水母 (69个物种).
结论:
- 尽管研究增加了,但Sargassum上的水生动物物种丰富性并没有平稳,这表明有新的发现潜力.
- 建议进一步采样,特别是地石,以确定额外的水生动物物种,并了解生物地理和生态模式.
相关概念视频
01:27Diversity of Protists III
59
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,...
59
01:27Diversity of Protists IV
49
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
49
01:27Diversity of Protists II
60
Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
60
02:40Epiphytes, Parasites, and Carnivores
13.1K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
13.1K
01:15Diversity of Protists I
46
Excavata is a diverse group of protists that includes both chemoorganotrophic and phototrophic species, with some thriving in anaerobic environments. Among the key groups within Excavata are diplomonads and parabasalids, which are flagellated protists that lack mitochondria and chloroplasts. These microorganisms typically inhabit anoxic environments, such as the intestines of animals, where they exist either symbiotically or as parasites, relying on fermentation for energy production. Some...
46
01:27Overview of Protists
63
Protists are diverse eukaryotic microorganisms that lack the specialized tissues of plants and animals and the chitinous cell walls of fungi. Their early divergence within Eukarya resulted in structural, functional, and ecological diversity. They are classified into supergroups such as Archaeplastida, Excavata, Amoebozoa, Rhizaria, Alveolata, and Stramenopiles, determined through genetic analysis and structural similarities.Structural and Functional AdaptationsProtists have various adaptations...
63