Results 31 to 40 of about 1,418,943 (330)

Changes or disappearance of the Atlantic goliath grouper Epinephelus itajara (Perciformes: Epinephelidae) spawning aggregation sites in southern Brazil [PDF]

open access: yesNeotropical Ichthyology
Atlantic goliath grouper (Epinephelus itajara) form spawning aggregations, each with around 100 individuals. However no studies have been carried out comparing these aggregations in natural and artificial environments.
Leonardo Schlogel Bueno   +7 more
doaj   +1 more source

Bird abundance and diversity in shade coffee and natural forest in Kenya

open access: yesGlobal Ecology and Conservation, 2022
Coffee, one of the major traded commodities in the world, has economic value for rural livelihood and potentially as habitat for forest wildlife. Previous work in Central Kenya has demonstrated that when cultivated with shade trees, coffee farms can host
Frank Juma Ong’ondo   +3 more
doaj   +1 more source

Multi-Omic Profiling of Melophlus Sponges Reveals Diverse Metabolomic and Microbiome Architectures that Are Non-overlapping with Ecological Neighbors. [PDF]

open access: yes, 2020
Marine sponge holobionts, defined as filter-feeding sponge hosts together with their associated microbiomes, are prolific sources of natural products. The inventory of natural products that have been isolated from marine sponges is extensive. Here, using
Agarwal, Vinayak   +5 more
core   +2 more sources

NATURAL RESOURCES ABUNDANCE: CURSE OR BLESSING FOR ECONOMY? [PDF]

open access: yesЭкономика региона, 2008
The article deals with the theoretical aspects of “Dutch Disease of De-Industrialization” theory genesis. The causes of origin and the key symptoms of “Dutch Disease of De-Industrialization” are being systematized.
A.A. Maltsev
doaj  

Non-crop habitats concurrently drive crop colonization by the millet head miner and regulation by natural enemies

open access: yesBasic and Applied Ecology, 2022
Non-crop habitats, depending on their composition, can enhance the abundance and diversity of natural enemies of crop pests, but also at the same time provide resources to pests, thereby reducing the effect on pest incidence and resulting yield losses ...
Ahmadou Sow   +3 more
doaj   +1 more source

The effect of within-crop habitat manipulations on the conservation biological control of aphids in field-grown lettuce [PDF]

open access: yes, 2011
Within-crop habitat manipulations have the potential to increase the biological control of pests in horticultural field crops. Wildflower strips have been shown to increase the abundance of natural enemies, but there is little evidence to date of an ...
Kravar-Garde, L. (Lidija)   +4 more
core   +1 more source

Celiac Immunogenic Potential of α-Gliadin Epitope Variants from Triticum and Aegilops Species [PDF]

open access: yes, 2019
The high global demand of wheat and its subsequent consumption arise from the physicochemical properties of bread dough and its contribution to the protein intake in the human diet.
Barro Losada, Francisco   +8 more
core   +1 more source

Nitrite isotope characteristics and associated soil N transformations

open access: yesScientific Reports, 2021
Nitrite (NO2 −) is a crucial compound in the N soil cycle. As an intermediate of nearly all N transformations, its isotopic signature may provide precious information on the active pathways and processes.
Dominika Lewicka-Szczebak   +4 more
doaj   +1 more source

Field studies of seahorse population density, structure and habitat use in a semi-closed north-eastern Mediterranean marine area (Stratoni, north Aegean Sea) [PDF]

open access: yes, 2020
The present study was carried out in the marine area of Stratoni, Greece, where two seahorse species are present (Hippocampus hippocampus and H. guttulatus).
Correia, Miguel   +5 more
core   +1 more source

Dilemma of Natural Resource Abundance: A Case Study of Kuwait

open access: yesSAGE Open, 2020
There is a lively debate about the relationship between a nation’s natural resource abundance and economic growth. Some view natural resource abundance as a curse, whereas others view it as a blessing.
Ruba A. Aljarallah, Andrew Angus
doaj   +1 more source

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