Global Biogeography of Prokaryotes in Mangrove Sediments: Spatial Patterns and Ecological Insights from 16S rDNA Metabarcoding DOI Open Access

Emma Jamon-Haon,

Philippe Cuny, Anna Rita Rossi

и другие.

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2024, Номер unknown

Опубликована: Дек. 20, 2024

Abstract The global asymmetry in the floristic diversity distribution within mangrove ecosystems is well-documented. However, sediment microbial communities, which play crucial ecological roles, are often overlooked biogeography studies. This study aimed to investigate diversity, composition, and of prokaryotic communities across distinct bioregions (12 countries territories from Caribbean bioregion, Southeast America, East Africa, Indo-Malaysia Australasia). We conducted a meta-analysis by compiling 16S rDNA datasets 17 previous studies (540 samples) over six year period (2014-2020) applied community ecology analyses combined with random forest models. Although no significant correlation was observed between tree richness hotspot identified Indo-West Pacific region. Microbiota associated different mangroves displayed opposite latitudinal gradients beta-dispersions. Distance-decay relationships were weak but statistically significant. Random models key taxa, OTUs shared all suggested presence potential core microbiota. Taxonomic statistical underscored great heterogeneity microbiota heavily influenced (e.g., molecular bioinformatic methodologies). Future research on microbiome would benefit standardized sampling sequencing methods. Despite current limitations, distance-decay relationship confirmed influence dispersal barriers for also suggests that environmental factors, rather than plant alone, may prominent role shaping composition sediments.

Язык: Английский

Dual C and Cl compound-specific isotope analysis and metagenomic insights into the degradation of the pesticide methoxychlor DOI Creative Commons

Martí Vinyes-Nadal,

Steffen Kümmel, Yolanda Espín

и другие.

Journal of Hazardous Materials, Год журнала: 2024, Номер 480, С. 135929 - 135929

Опубликована: Сен. 20, 2024

Язык: Английский

Процитировано

3

Analysis of Habitat Quality and Potential Spawning Locations of Mangrove Crabs (Scylla spp.) in the Eastern Coastal Region of Aceh DOI Open Access

Asiah MD,

Wardiah,

Zulfikar Zulfikar

и другие.

IOP Conference Series Earth and Environmental Science, Год журнала: 2025, Номер 1477(1), С. 012024 - 012024

Опубликована: Апрель 1, 2025

Abstract The mangrove crab (Scylla spp.) is an important commodity for both the ecosystem and coastal community’s economy. This study aims to analyze habitat quality potential spawning locations of crabs on eastern coast Aceh. was conducted by measuring various environmental parameters that influence crabs. physical measured include water temperature, depth, currents, substrate structure. Other salinity, pH, dissolved oxygen (DO) content, biological such as vegetation density, species diversity, plankton population, presence natural predators. method used in this research exploratory, with a quantitative approach purposive sampling technique. Data collection carried out determining three observation points at each location, plot covering area 10x10 m 2 . field samples were then analyzed laboratory. results showed Aceh has good growth crabs, indicated optimal conditions high biodiversity. found pH ranges from 6-7, temperature 19°C-20°C, salinity 22-23 ppm, current speed location 1-3 m, clarity 18 -19 cm, 8-9 km/h, 6-7 ppm. also identified several challenges need be addressed, excessive fishing activities lack community participation conservation. Based study’s findings, sustainable management efforts are recommended, including increasing awareness participation, well implementing better resource policies.

Язык: Английский

Процитировано

0

Deciphering environmental forcings in the distribution of meiofauna and nematodes in mangroves of the Atlantic-Caribbean-East Pacific and Indo-West Pacific regions DOI Creative Commons
Adriana Spedicato, Daniela Zeppilli, Gérard Thouzeau

и другие.

The Science of The Total Environment, Год журнала: 2024, Номер 930, С. 172612 - 172612

Опубликована: Апрель 23, 2024

Mangroves develop under environmental conditions and anthropogenic pressures whose impact on benthic meiofauna remains poorly understood. It is unclear how communities are structured according to local sedimentary conditions. This study was designed characterize the community structure of nematodes (dominant taxa) associated forcings in intertidal mangrove sediments from Mayotte (Indo-West-Pacific), Martinique Guadeloupe (Caribbean). Sediment cores were sampled at end dry season low tide adult stands with similar immersion time. In each sediment layer, we analyzed redox potential, pH, porewater salinity, grain size, organic matter, metals, contaminants, prokaryotes meiofauna. Our results show that far cities agricultural fields trapped site-specific contaminants due water transport processes. Some PAHs or pesticides exceeded toxicity thresholds most studied stations, thus being harmful fauna. The environment acts as a filter selecting specific station scale only Caribbean. Mayotte, horizontal homogeneity contrasts vertical heterogeneity Nematode genera showed particular distribution patterns horizontally vertically, suggesting presence patches suitable for restricted pool island. Results Caribbean consistent nested diversity filtering. Conversely, would reflect greater dispersal between stations more spatially homogeneous pressures. nematode present depth may not be specialized, but versatile, capable thriving different Terschellingia Daptonema contrasted responses forcing, likely their versatility, while Desmodora uniform areas, except when exceeded. emphasize given genus respond differently depending sites.

Язык: Английский

Процитировано

1

Global Biogeography of Prokaryotes in Mangrove Sediments: Spatial Patterns and Ecological Insights from 16S rDNA Metabarcoding DOI Open Access

Emma Jamon-Haon,

Philippe Cuny, Anna Rita Rossi

и другие.

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2024, Номер unknown

Опубликована: Дек. 20, 2024

Abstract The global asymmetry in the floristic diversity distribution within mangrove ecosystems is well-documented. However, sediment microbial communities, which play crucial ecological roles, are often overlooked biogeography studies. This study aimed to investigate diversity, composition, and of prokaryotic communities across distinct bioregions (12 countries territories from Caribbean bioregion, Southeast America, East Africa, Indo-Malaysia Australasia). We conducted a meta-analysis by compiling 16S rDNA datasets 17 previous studies (540 samples) over six year period (2014-2020) applied community ecology analyses combined with random forest models. Although no significant correlation was observed between tree richness hotspot identified Indo-West Pacific region. Microbiota associated different mangroves displayed opposite latitudinal gradients beta-dispersions. Distance-decay relationships were weak but statistically significant. Random models key taxa, OTUs shared all suggested presence potential core microbiota. Taxonomic statistical underscored great heterogeneity microbiota heavily influenced (e.g., molecular bioinformatic methodologies). Future research on microbiome would benefit standardized sampling sequencing methods. Despite current limitations, distance-decay relationship confirmed influence dispersal barriers for also suggests that environmental factors, rather than plant alone, may prominent role shaping composition sediments.

Язык: Английский

Процитировано

0