Results 21 to 30 of about 89,120 (294)
Iheringia: Série Zoologia, 2019 The aim of the present study was to evaluate the influence of abiotic factors (conductivity, dissolved oxygen, pH, precipitation, and water temperature) on the abundance of Macrobrachium amazonicum (Heller, 1862), as well as to compare the relative ...
Alessandra A. P. Bueno +2 more
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Учёные записки Казанского университета: Серия Естественные науки, 2021 Morphological abnormalities resulting from the anthropogenic load on juveniles of five cyprinid species (common roach (Rutilus rutilus Linnaeus, 1758), common rudd (Scardinius erythrophthalmus Linnaeus, 1758), ide (Leuciscus idus Linnaeus, 1758 ...
A.K. Mineev
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Population dynamics and reproductive phenology of a harvestman in a tidal freshwater wetland [PDF]
Anais da Academia Brasileira de Ciências, 2020 There is a great amount of ecological information for terrestrial arthropods in several types of habitats, but few studies have focused on populations living in tidal freshwater wetlands.
PATRICIA P. IGLESIAS, MARTÍN O. PEREYRA
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Habitat connectivity in reef fish communities and marine reserve design in Old Providence-Santa Catalina, Colombia [PDF]
, 2003 On the insular platform of Old Providence/Santa Catalina, Colombia, we compared nearshore lagoonal patch reefs to those on the northern bank distant from the islands to determine the importance of habitat connectivity to fish community structure ...
Appeldoorn, R.S. +4 more
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Abundance and Population Decline Factors of Chrysopid Juveniles in Olive Groves and Adjacent Trees [PDF]
Insects, 2019 Numerous species of the family Chrysopidae, commonly found in agroecosystems, whose larvae predate on several pests of economic importance, are regarded as biological control agents. Their abundance and diversity are influenced by vegetation cover, although little is known about the effects of semi-natural habitats on their populations.
Rafael Alcalá Herrera +3 more
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Increased juvenile native fish abundance following a major flood in an Arizona river [PDF]
Journal of Freshwater Ecology, 2022 Spring floods trigger spawning in many native fishes of the desert Southwest (USA), but less is known about fish community response when native fishes are rare. Here, we document change to native and nonnative fish captures and instream habitat features following a decade-high flooding event (2019) in the Verde River (AZ) where native fish captures ...
Christopher J. Jenney +3 more
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Environmental factors modulating the bathymetric distribution of the demographic groups of Achelous spinimanus (Crustacea) [PDF]
Neotropical Biology and Conservation, 2019 The spatio-temporal distribution of Achelous spinimanus demographic groups (juveniles, and adult males and females) and its relation with environmental factors was analyzed in the region of Ubatuba, southeastern Brazil.
Camila H. Bernardo +5 more
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Animals, 2022 This study describes a three-year evaluation (2017–2019) of a fertility control protocol using nicarbazin (Ovistop®) to reduce the abundance of the most conflictive colonies of feral pigeon, Columba livia var.
Carlos González-Crespo, Santiago Lavín
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PLoS ONE, 2020 Relationships between environmental factors and oscillations in jellyfish abundance, especially in the early life stages, could help to interpret past increases and also predict scenarios in a changing future.
Cesar Bordehore +8 more
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The Abundance and Diversity of Larval and Juvenile Fish in a Tropical Estuary
Estuaries, 1994 The larval and juvenile fish of the Cayenne river estuary (French Guiana, South America) were sampled at two stations from June 1989 until October 1990. A total of 52,989 individuals from 59 species, some still incompletely identified, were collected.
Tito de Morais, A., Tito de Morais, Luis
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