Results 61 to 70 of about 5,915 (215)

Body volume in ground beetles (Carabidae) reflects biotope disturbance

Folia Oecologica, 2017
Changes in body size of living organisms can indicate changes in environmental quality. The family Carabidae is frequently used as an indicator of environmental status.
Langraf Vladimír, Petrovičová Kornélia, David Stanislav, Ábelová Monika, Schlarmannová Janka   +4 more
doaj   +1 more source

Nutrient enrichment destabilizes aquatic food webs through synchronization within and across trophic levels

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Nutrient enrichment destabilizes ecosystems globally, but the mechanistic pathways underlying this effect in multi‐trophic communities remain unclear. To address this knowledge gap, we applied biodiversity–stability theory to multi‐trophic communities by partitioning ...
Libin Zhou, Shaopeng Wang, Qi Yang, Pubin Hong, You Zhang, Maowei Liang, Peng Xing, Zhigang Mao, Biao Li, Erik Jeppesen, Martin Søndergaard, Liselotte S. Johansson, Qinglong Wu   +12 more
wiley   +1 more source

Algal biovolume.

, 2014
Mean (± SE) biovolume of diatoms, green algae and cyanobacteria subjected to grazing/non-grazing and four different light (high = L+; low = L–) and nutrient (addition = N+; ambient = N–) conditions at the end of the laboratory experiment.
Elena Gorokhova (178084), Daiva Stankevičienė (664027), Jūratė Lesutienė (664026), Eva Bergman (166370), Larry Greenberg (664028)   +4 more
core   +1 more source

Cyanobacteria and cyanotoxins: the influence of nitrogen versus phosphorus.

PLoS ONE, 2012
The importance of nitrogen (N) versus phosphorus (P) in explaining total cyanobacterial biovolume, the biovolume of specific cyanobacterial taxa, and the incidence of cyanotoxins was determined for 102 north German lakes, using methods to separate the ...
Andrew M Dolman, Jacqueline Rücker, Frances R Pick, Jutta Fastner, Thomas Rohrlack, Ute Mischke, Claudia Wiedner   +6 more
doaj   +1 more source

The Effects of Nutrient Additions on Kokanee in Dworshak Reservoir, Idaho

Fisheries Management and Ecology, EarlyView.
ABSTRACT We investigated the effects of whole reservoir nitrogen (N) addition on kokanee growth in Dworshak Reservoir, Idaho. We hypothesized that N addition would improve the growth of kokanee (Oncorhynchus nerka) at a given level of abundance by increasing the availability of Daphnia, an important food source.
Sean M. Wilson, Matthew P. Corsi, Eric J. Stark, Eli A. Felts, Andrew M. Dux, Ryan S. Hardy   +5 more
wiley   +1 more source

The effects of biocidal treatments on metabolism in soil .3. The relationship between soil biovolume, measured by optical microscopy, and the flush of decomposition caused by fumigation

, 1976
The hypothesis that the flush of decomposition following fumigation is a measure of the amount of biomass in a soil was tested by comparing the biomass thus found, and as calculated from direct microscopic measurement of the soil biovolume.
Jenkinson, D. S., Powlson, D. S., Wedderburn, R. W. M.   +2 more
core   +1 more source

Determination of Coscinodiscus cf. granii biovolume by confocal microscopy: comparison of calculation models [PDF]

, 2013
Biovolume is commonly used as a size descriptor in the study of phytoplankton ecology. Usually, biovolume is not measured directly but is obtained from a standardized set of geometric models based on linear dimensions measured by light microscopy.
PAPARELLA, Francesco, ROSELLI, LEONILDE, STANCA, ELENA, BASSET, Alberto, MASTROLIA, ANNUNZIATA   +4 more
core   +1 more source

Using light scatter signal to estimate bacterial biovolume by flow cytometry [PDF]

Cytometry, 2001
In the past decade, flow cytometry has become a useful and precise alternative to microscopic bacterial cell counts in aquatic samples. However, little evidence of its usefulness for the evaluation of bacterial biovolumes has emerged in from the literature.The light scattering and cell volume of starved bacterial strains and natural bacterial ...
Bouvier, Thierry, Troussellier, Marc, Anzil, Adriana, Courties, Claude, Servais, Pierre   +4 more
openaire   +3 more sources

Influence of nanohydroxyapatite mouthwash on the growth of Candida albicans biofilm on milled denture surfaces: An in vitro study

Journal of Prosthodontics, EarlyView.
Abstract Purpose There is a need for effective solutions for the persistent prevalence of denture stomatitis (DS) in denture‐wearing populations. This study assessed the impact of nanohydroxyapatite (nanoHAP) nanoparticles on Candida albicans biofilm formation on milled polymethylmethacrylate (PMMA) denture bases.
Cynthia U. Udeh, Bennett T. Amaechi, Parveez A. Abdul‐Azees, Amos C. Obiefuna, Chun‐Yen Lin, Nahid IftiKhar, Sunil Mankar, Temitope O. Omosebi, Tejal Gohil   +8 more
wiley   +1 more source

Chloroplast and mitochondrial genomes of Sphaerosorus coelastroides Pascher (Xanthophyceae) from Central Appalachia, Clinch River, Virginia, United States

Journal of Phycology, EarlyView.
Abstract This report describes the isolation and culture of Sphaerosorus coelastroides from the plankton of a freshwater river in the central Appalachian mountain chain. This alga was first observed in a dry freshwater riverbed in Central Europe in 1908 and, since then, has been included in Xanthophyceae surveys from nearly all continents with ...
Gavin S. Collins, Robin A. Matthews, A. Bruce Cahoon   +2 more
wiley   +1 more source