Results 21 to 30 of about 753,387 (250)

Ecological ramifications of adaptation to size-selective mortality

open access: yesRoyal Society Open Science, 2021
Size-selective mortality due to harvesting is a threat to numerous exploited species, but how it affects the ecosystem remains largely unexplored. Here, we used a pond mesocosm experiment to assess how evolutionary responses to opposite size-selective ...
Charlotte Evangelista   +7 more
doaj   +1 more source

Diurnal variations in the diet of 0 to 3 years old Atlantic salmon Salmo salar L. under semiarctic summer conditions in the Alta River, Northern Norway

open access: yesFauna Norvegica, 1986
The stomach contents of 0 to 3 year old salmon were investigated throughout a single 20 hour period in each of July, August and September 1981. There was no marked diurnal variation in stomach content of fry, while that of parr indicated nocturnal ...
Helge Huru
doaj   +1 more source

Population Dynamic of Fruit Fly Pests Bactrocera spp. in Salacca Orchard in Relation to Host Plants and Climate Factors

open access: yesAGRIVITA Journal of Agricultural Science
Fruit flies are an economic important of pest on horticultural crops. One of the commodities that are affected much due to fruit fly attack is salacca var. pondoh. The number of fruit flies attacking salacca increased from 2018 to 2021.
Yuliani Dwi Putri   +4 more
doaj   +1 more source

Recoveries of Common Seals Phoca vitulina L. tagged along the Norwegian coast

open access: yesFauna Norvegica, 1988
A total of 296 Common Seals have been tagged along the Norwegian coast in the period from 1978 to 1987. Thirty six of the tagged seals have been recovered. Twenty six during their first year of life.
Øystein Wiig, Nils Øien
doaj   +1 more source

Stock assessment and exploitation of Atlantic salmon Salmo salar L. in the river Drammenselv

open access: yesFauna Norvegica, 1986
In 1985 the total salmon run and the exploitation rate in the river Drammenselv were estimated by combining catch statistics, counts of ascending salmon in a salmon ladder at Hellefoss, and a tagging-recapture experiment of the spawning stock below the ...
Lars P. Hansen   +2 more
doaj   +1 more source

Unheard and Under‐Supported: Health‐Related Quality of Life in Children, Adolescents, and Young Adults With Sickle Cell Disease

open access: yesPediatric Blood &Cancer, EarlyView.
Abstract Background Sickle cell disease (SCD) is an autosomal recessive hemoglobinopathy affecting millions of individuals worldwide. The clinical expression and psychosocial burden of SCD vary widely across geographical, cultural, and healthcare system contexts, underscoring the need for setting‐specific approaches to assessment.
Desiré Fantasia   +7 more
wiley   +1 more source

Spiders (Araneae) from square samples and pitfall traps in coastal heathland, western Norway. Habitat preference, phenology and distribution

open access: yesFauna Norvegica
Square samples were taken at intervals of 3 - 4 weeks (early spring 1972 - late summer 1973) in a heterogenous plant association dominated by Calluna vulgaris and several moss species (Loc.I), and in a homogenous, humid Sphagnum mat (Loc.II) with very ...
Erling Hauge
doaj   +1 more source

About the interplay of sensitive and resistant biotypes in weed populations - simulation exercises for Echinochloa crus-galli in maize crops

open access: yesJulius-Kühn-Archiv, 2016
Weed species easily establish in crops with a similar life cycle. Especially mono-cropping provides best conditions for such weeds. In maize this is true for Echinochloa crus-galli, which is a C4 plant and one of the worst weeds worldwide.
von Redwitz, Christoph   +2 more
doaj   +1 more source

Effects of leaf compounds, climate and natural enemies on the incidence of thrips in cassava [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2002
The objective of this study was to determine the effects of rainfall, temperature, sunlight and relative humidity, as well as predators and parasitoids, leaf chemical composition and levels of leaf nitrogen and potassium on the intensity of Scirtothrips ...
Germano Leão Demolin Leite   +3 more
doaj   +1 more source

Effects of Cancer Treatment on Somatosensory and Nociceptive Processing in Children and Adolescents: A Systematic Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Chemotherapy‐induced peripheral neuropathy remains a major complication in pediatric cancer, with disrupted somatosensory and nociceptive processing being a key aspect. This review synthesizes empirical studies on alterations in somatosensory and nociceptive processing in children and adolescents with cancer.
Julia Schweiger   +4 more
wiley   +1 more source

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