Results 61 to 70 of about 74,500 (289)

Comment: Food web interactions and biomanipulation in Australian reservoirs [PDF]

, 1997
The authors have been studying the control of phytoplankton biomass in several Australian reservoirs. To manipulate fish communities in order to reduce phytoplankton biomass, one needs a thorough understanding of processes in the plankton-associated food
Matveev, Vladimir, Matveeva, Lilian
core  

Generating Tagged Micro‐ and Nanoparticles of Poly(ethylene furanoate) and Poly(ethylene terephthalate) as Reference Materials

Macromolecular Rapid Communications, EarlyView.
We successfully developed poly(ethylene terephthalate) (PET) and poly(ethylene furanoate) (PEF) nanoparticles and microparticles, covalently tagged with Alexa Fluor 633 or Alexa Fluor 647, using both mechanical and solvent‐based approaches. The particles displaying hydrodynamic diameters between 200 and 700 nm, exhibited long‐term colloidal stability ...
Redoy Gazi Shuvo, Andreas F. Thünemann, Zviadi Katcharava, Anja Marinow, Richard Hoppe, Georg Woltersdorf, Mengxue Du, René Androsch, Juliana Martins de Souza e Silva, Karsten Busse, Wolfgang H. Binder   +10 more
wiley   +1 more source

The visual ecology of selective predation: Are unhealthy hosts less stealthy hosts?

Ecology and Evolution, 2021
Predators can strongly influence disease transmission and evolution, particularly when they prey selectively on infected hosts. Although selective predation has been observed in numerous systems, why predators select infected prey remains poorly ...
Nina Wale, Rebecca C. Fuller, Sönke Johnsen, McKenna L. Turrill, Meghan. A. Duffy   +4 more
doaj   +1 more source

Resource quantity affects infection success and impacts of a microsporidian on hosts

Oikos, EarlyView.
Resource quantity in the environment often changes over time and influences the nutritional status of hosts that may encounter parasites. If resource availability significantly alters both infection success and within‐host growth of a parasite, fluctuations in resources may underlie the seasonal disease outbreaks that have been observed for some ...
Elizabeth S. Davenport, Marcin K. Dziuba, Fiona Corcoran, Natalia Ferreira Dos Santos, Kira J. Monell, Paige McCreadie, Siobhan K. Calhoun, Taleah Nelson, Logan E. Jacobson, Riley Manuel, Meghan A. Duffy   +10 more
wiley   +1 more source

Seasonal variations in planktonic food web structure affect stability by shifting the distribution of energy fluxes

Oikos, EarlyView.
Seasonality in temperate ecosystems shapes species phenology, influencing interactions and food web structure. Variations in species richness and biomass affect trophic interaction strength, a crucial factor for community stability, which can be assessed through energy fluxes – an essential indicator of ecosystem function.
Simon Bazin, Isabelle Domaizon, Cécilia Barouillet, Victor Frossard, Arnaud Sentis   +4 more
wiley   +1 more source

The stable isotopic composition of Daphnia ephippia reflects changes in δ¹³C and δ¹⁸O values of food and water [PDF]

Biogeosciences, 2015
The stable isotopic composition of fossil resting eggs (ephippia) of Daphnia spp. is being used to reconstruct past environmental conditions in lake ecosystems.
J. Schilder, C. Tellenbach, M. Möst, P. Spaak, M. van Hardenbroek, M. J. Wooller, O. Heiri   +6 more
doaj   +1 more source

Cloning, Expression, Sequence Analysis and Homology Modeling of the Prolyl Endoprotease from Eurygaster integriceps Puton [PDF]

, 2014
Eurygaster integriceps Puton, commonly known as sunn pest, is a major pest of wheat in Northern Africa, the Middle East and Eastern Europe. This insect injects a prolyl endoprotease into the wheat, destroying the gluten.
Clack, Beatrice A., Dareddy, Vanitha, Darkoh, Charles, El-Bouhssini, Mustapha, Gautam, Ranjeeta, Yandamuri, Ravi Chandra   +5 more
core   +3 more sources

Comparative metagenomics of Daphnia symbionts [PDF]

BMC Genomics, 2009
Abstract Background Shotgun sequences of DNA extracts from whole organisms allow a comprehensive assessment of possible symbionts. The current project makes use of four shotgun datasets from three species of the planktonic freshwater crustaceans Daphnia: one dataset from clones of D. pulex and D.
Qi, W., Nong, G., Preston, J. F., Ben-Ami, F., Ebert, Dieter   +4 more
openaire   +6 more sources

Nutritional effects on the expression of cryptic pigmentation in freshwater isopods

Oikos, EarlyView.
Cryptic pigmentation is a key phenotypic adaptation that helps many benthic invertebrates evade visual predators. However, little is known about whether and how the expression of pigmentation phenotypes that match the habitat background is influenced by the availability of nutritional resources.
Moritz D. Lürig, Blake Matthews, Carsten J. Schubert, Osamu Kishida   +3 more
wiley   +1 more source

Evaluation of Abundance of Dead Crustacean Zooplankton in a Water Body Using Staining of the Samples by Aniline Blue Technique: Methodological Aspects [PDF]

Журнал Сибирского федерального университета: Серия Биология, 2008
Three long special experiments with killed by heating copepodites of Cyclops vicinus, Mesocyclops leuckarti (experiments 1 and 2), of Cyclops vicinus and Daphnia longispina group of different sizes and stages (experiment 3) were carried out to test an ...
Olga P. Dubovskaya
doaj