AI Article Synopsis

  • - Researchers studied phytoplankton dynamics and environmental factors in polluted urban lakes, specifically Xinkai Lake in the West zone, over a year.
  • - Findings indicated that Xinkai Lake is eutrophic-supertrophic, meaning it has high levels of nutrients that can lead to excessive plant growth.
  • - The study found that Oscillatoria tenuis, a type of cyanobacteria, dominated in autumn, and specific relationships between habitat factors and phytoplankton biomass were noted.

Article Abstract

To evaluate the seasonal dynamics of phytoplankton and its relationships with aquatic habitat factors in polluted urban landscape lakes, annual investigations have been carried out in the West zone of Xinkai Lake. The results showed that the lake belongs to the eutrophic-supertrophic type in terms of key habitat factors measurement. The seasonal succession of phytoplankton community was determined. The dominant cyanobacterial species Oscillatoria tenuis Ag. bloomed in autumn, although the other species with higher degrees of dominance never bloomed in the year investigated. Significant correlations between some habitat factors and phytoplankton biomass were observed.

Download full-text PDF

Source
http://dx.doi.org/10.1007/s00128-009-9655-2DOI Listing

Publication Analysis

Top Keywords

habitat factors
16
seasonal dynamics
8
dynamics phytoplankton
8
aquatic habitat
8
factors polluted
8
polluted urban
8
phytoplankton
4
phytoplankton relation
4
relation key
4
key aquatic
4

Similar Publications

Modern treatment, a healthy diet, and physical activity routines lower the risk factors for metabolic syndrome; however, this condition is associated with all-cause and cardiovascular mortality worldwide. This investigation involved a randomized controlled trial, double-blind, parallel study. Fifty-eight participants with risk factors of metabolic syndrome according to the inclusion criteria were randomized into two groups and given probiotics (Lacticaseibacillus paracasei MSMC39-1 and Bifidobacterium animalis TA-1) (n = 31) or a placebo (n = 27).

View Article and Find Full Text PDF

Combined Impacts of Climate and Tree Physiology on Mercury Accumulation in Tropical and Subtropical Foliage and Robust Model Parametrization.

Environ Sci Technol

January 2025

State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China.

Atmospheric elemental mercury (Hg) assimilation by foliage contributes prevalently to the global atmospheric Hg sink in forests. Today, little is known about the mechanisms of foliar Hg accumulation and how climate factors and tree physiology interact to impact it. Here, we examined meteorological factors, foliar physiological traits, and Hg accumulation rates from leaf emergence to senescence in a tropical rainforest, tropical savanna, and subtropical evergreen broadleaf forest.

View Article and Find Full Text PDF

Differential Responses of Methylobacterium and Sphingomonas Species to Multispecies Interactions in the Phyllosphere.

Environ Microbiol

January 2025

Institute of Microbiology and Dahlem Centre of Plant Sciences, Department of Biology, Chemistry, Pharmacy, Freie Universität Berlin, Berlin, Germany.

The leaf surface, known as the phylloplane, presents an oligotrophic and heterogeneous environment due to its topography and uneven distribution of resources. Although it is a challenging environment, leaves support abundant bacterial communities that are spatially structured. However, the factors influencing these spatial distribution patterns are not well understood.

View Article and Find Full Text PDF

Interactions with mycorrhizal fungi are increasingly recognized as crucial ecological factors influencing orchids' distribution and local abundance. While some orchid species interact with multiple fungal partners, others show selectivity in their mycorrhizal associations. Additionally, orchids that share the same habitat often form relationships with different fungal partners, possibly to reduce competition and ensure stable coexistence.

View Article and Find Full Text PDF

Background: Little is known about the efficacy of preexposure prophylaxis (PrEP) or what biologic factors may influence HIV transmission in transgender men (TGM). In this study, we sought to explore the effect of testosterone on the vaginal microbiome, cervicovaginal fluid (CVF) tenofovir concentrations, and levels of CVF inflammatory markers in TGM on PrEP.

Methods: Cervicovaginal fluid was collected from 13 TGM (7 using testosterone) and 32 cisgender women (CGW) on PrEP.

View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!