Results 101 to 110 of about 146,591 (359)

The Safe Start trial to assess the effect of an infant hygiene intervention on enteric infections and diarrhoea in low-income informal neighbourhoods of Kisumu, Kenya: a study protocol for a cluster randomized controlled trial

open access: yesBMC Infectious Diseases, 2019
Background Symptomatic and asymptomatic enteric infections in early childhood are associated with negative effects on childhood growth and development, especially in low and middle-income countries, and food may be an important transmission route ...
Jane Mumma   +8 more
doaj   +1 more source

Toxic Phenolic Glycosides From \u3ci\u3ePopulus:\u3c/i\u3e Physiological Adaptations of the Western North American Tiger Swallowtail Butterfly, \u3ci\u3ePapilio Rutulus\u3c/i\u3e (Lepidoptera: Papilionidae) [PDF]

open access: yes, 2017
The phenolic glycosides tremulacin and salicortin found in quaking aspen, Populus tremuloides, and other members of the Salicaceae, are known to be toxic to larvae of the Eastern tiger swallowtail butterfly, Papilio glaucus, but not to the Canadian tiger
Lindroth, Richard L   +2 more
core   +2 more sources

Estimation of persistence on glacial lakes in tropical Andes mountain-range with 2000-2020 period LANDSAT series images

open access: gold, 2023
Jesús Pozo   +6 more
openalex   +1 more source

Alpine flora of Kashmir Himalaya: floristic assessment, life history traits and threat status

open access: yesNordic Journal of Botany, EarlyView.
Alpine ecosystems in the Himalaya are considered to be at a higher risk to anthropogenic global change drivers. The Kashmir Himalaya, located in the north‐western side of the Himalayan biodiversity hotspot, harbors a diverse alpine flora, which remains systematically little investigated.
Bilal A. Rasray   +5 more
wiley   +1 more source

Tropical deserts and lakes through time

open access: yesAFEQ CNF-INQUA, 2015
Paleohydrology, isotope geochemistry, climate and societies. Symposium in memory of Françoise Gasse (1942-2014). CEREGE - Aix en Provence, 1-2 juillet 2015.
openaire   +2 more sources

The assessment of physico-chemical parameters of Shiroro Lake and its major tributaries [PDF]

open access: yes, 1999
The physico-chemical parameters of the surface water of Shiroro Lake and its major tributaries at their entry point to the reservoir were assessed over a period of eighteen months. As in other African inland water bodies there were seasonal variations in
Kolo, R.J.
core  

Release of CO2 and CH4 from lakes and drainage ditches in temperate wetlands [PDF]

open access: yes, 2010
Shallow fresh water bodies in peat areas are important contributors to greenhouse gas fluxes to the atmosphere. In this study we determined the magnitude of CH4 and CO2 fluxes from 12 water bodies in Dutch wetlands during the summer season and studied ...
Berendse, F.   +4 more
core   +3 more sources

Taxonomic insights into Indian Rotala (Lythraceae) species with verticillate phyllotaxy

open access: yesNordic Journal of Botany, EarlyView.
In an effort to resolve taxonomic complexities among Indian Rotala species with verticillate phyllotaxy, this study provides an identification key, revised nomenclature, updated morphological descriptions including SEM studies of seed coat surfaces, detailed photoplates, and notes on phenology, ecology, and distribution.
Arikrishnan Parthiban   +2 more
wiley   +1 more source

Cascading effect of exotic fish fry on plankton community in a tropical Andean high mountain lake: a mesocosm experiment

open access: yesJournal of Limnology, 2017
Fishless Andean high mountain lakes may be vulnerable to fish invasion because they tend to be small, oligotrophic and contain low zooplankton diversity.
Yimy Herrera-Martínez   +2 more
doaj   +1 more source

Qualitative and quantitative investigations on the macrobenthic fauna of Central Amazon lakes. 1. Lago Tupé, a black water lake on the lower Rio Negro

open access: yes, 1977
Lago Tupé is a black water "ria lake". It is connected with the Rio Negro throughout the year and shows similarly large fluctuations in water level, amounting to nearly 8 m in 1971.
Reiss, F.
core  

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