Results 41 to 50 of about 4,331 (153)

Etheostoma nuchale - Watercress Darter [PDF]

open access: yes, 2018
Etheostoma nuchale - Watercress Darterhttps://scholarworks.moreheadstate.edu/roger_barbour_slide_collection/1091/thumbnail ...
Barbour, Roger W.
core  

Local ciliate communities associated with aquatic macrophytes [PDF]

open access: yes, 2014
This study, based within the catchment area of the River Frome, an important chalk stream in the south of England, compared ciliated protozoan communities associated with three species of aquatic macrophyte common to lotic habitats: Ranunculus ...
Yeates, Anna M.   +3 more
core   +1 more source

The use of in-situ deployments to examine the success of water quality mitigation measures on a watercress farm

open access: yes, 2009
Watercress has long been believed to affect macroinvertebrate communities in chalk streams. Harvesting and washing watercress damages plant tissues and releases isothiocyanates which are potential toxicants to Gammarus pulex (L.).
Shaw, P.J., Dixon, M.J.
core   +1 more source

Watercress—Nasturtium officinale R. Br.

open access: yesEDIS, 2003
This document describes the cultivation and use of watercress (Nasturtium officinale), a perennial aquatic plant valued for its pungent leaves and stems.
James M. Stephens
doaj   +3 more sources

Floral resource availability and surrounding land cover influence bumble bee community composition in an agricultural landscape

open access: yesInsect Conservation and Diversity, EarlyView.
Multispecies occupancy models indicated that the occurrence of bumble bees was associated with local floral resources as well as the landscape surrounding a site within 1.6 km. Estimated species richness was greater at sites with more forest cover and lower at sites with more corn and soybean agriculture in the surrounding landscape.
Kelsey N. Shepherd   +2 more
wiley   +1 more source

Effects of Watercress (Nasturtium nasturtium) extract on selected immunological parameters of rainbow trout (Oncorhynchus mykiss) [PDF]

open access: yesOpen Veterinary Journal, 2012
Watercress (Nasturtium nasturtium) is a medical plant containing diverse chemically-active substances with biological properties. The present study was conducted to investigate the immunomodulatory effects of watercress extract on immunological and ...
K. Ahmadi   +4 more
doaj  

Influence of the rearing system on phagocytic indexes and weight gain of the silver catfish (Rhamdia quelen, Quoy & Gaimard, 1824)

open access: yesAquaTechnica, 2023
Fish consumption has been growing since 1961. Indeed, the fisheries sector is essential to prevent hunger and malnutrition. However, this sector has its challenges.
Renata Stecca Iunes   +4 more
doaj   +1 more source

Roadside pollinator populations and the negative impact of intensive roadside vegetation maintenance

open access: yesInsect Conservation and Diversity, EarlyView.
Less intensively managed roadsides had higher numbers of flower flies and bees; bee diversity was also higher in those roadsides. Community composition was similar across both management types, indicating that roadsides support a fairly homogeneous pollinator community, regardless of management.
Gil F. G. Miranda   +5 more
wiley   +1 more source

Marine migration influences mercury accumulation in anadromous Arctic char (Salvelinus alpinus)

open access: yesJournal of Fish Biology, EarlyView.
Abstract Mercury (Hg) is a globally distributed toxic metal present in northern natural environments that biomagnifies in food webs and bioaccumulates in apex predator fish, such as Arctic char (Salvelinus alpinus)—an iteroparous species with a circumpolar distribution. Arctic char exhibit a variety of life history types, with the migrating, anadromous
Isabel R. Hilgendag   +6 more
wiley   +1 more source

The multi‐factorial modes of action of urease in the pathogenesis of incontinence associated dermatitis

open access: yesSkin Health and Disease
Background Incontinence Associated Dermatitis (IAD) is a type of skin inflammation caused by chronic exposure to urine and/or faeces. Current treatment strategies involve creating a barrier between the skin and urine/faeces rather than targeting specific
Emily J. Owen   +4 more
doaj   +1 more source

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