Changes or disappearance of the Atlantic goliath grouper Epinephelus itajara (Perciformes: Epinephelidae) spawning aggregation sites in southern Brazil [PDF]
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
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
The effect of within-crop habitat manipulations on the conservation biological control of aphids in field-grown lettuce [PDF]
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
NATURAL RESOURCES ABUNDANCE: CURSE OR BLESSING FOR ECONOMY? [PDF]
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
Dilemma of Natural Resource Abundance: A Case Study of Kuwait
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
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
Seasonal variation in natural abundance of 2H and 18O in urine samples from rural Nigeria.
Harbison JE +6 more
europepmc +2 more sources
Local competition and metapopulation processes drive long-term seagrass-epiphyte population dynamics [PDF]
It is well known that ecological processes such as population regulation and natural enemy interactions potentially occur over a range of spatial scales, and there is a substantial body of literature developing theoretical understanding of the interplay ...
Bull, James C. +4 more
core +3 more sources
Field studies of seahorse population density, structure and habitat use in a semi-closed north-eastern Mediterranean marine area (Stratoni, north Aegean Sea) [PDF]
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
Nitrite isotope characteristics and associated soil N transformations
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

