Seasonal changes
Size-related and seasonal changes in the diet of the non-native Cichla kelberi Kullander Ferreira, 2006 in a lowland reservoir in the southeastern Brazil
... and seasonal changes in the diet of the peacock bass Cichla kelberi in a tropical lowland reservoir in southeastern Brazil over three hydro-climatic seasons: summer (high rainfall and temperature), winter ...
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Seasonal changes in photosynthesis and water-use efficiency of savanna species and eucalypts in Venezuela
... the seasonal changes in photosynthetic rate (P N ) and WUE of a seasonally dry savanna in Mapire, composed mainly of the grass Trachypogon vestitus and the tree Curatella americana, and trees of Eucalyptus ...
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Denitrification in agriculturally impacted streams: seasonal changes in structure and function of the bacterial community.
... This study was conducted in two parts. The first phase of the study, described in this paragraph, involved periodic collection of samples from the stream channel over the course of the annual hydrologic cycle. To examine ...
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Seasonal changes in Thrips tabaci population structure in two cultivated hosts.
... and seasonal changes in thrips population genetics, haplotype networks for the thrips populations were constructed based on statistical parsimony [25], using the ...
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Seasonal changes in glacial polynya activity inferred from Weddell Sea varves
... offshore winds are mainly driven by katabatic winds, due to the steepness and length of the slope. However, for glacial conditions, there is still little knowledge on katabatic winds and coastal polynya activity as well ...
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Spatial and seasonal changes in benthic macrofauna from two dissipative sandy beaches in eastern Brazil)
... ANOVA. Seasonal changes were tested between the six campaigns in each beach (winter and summer ...spatial changes within each beach were tested across areas level (n=3), transects level (n=3) and ...
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SPATIAL AND SEASONAL CHANGES IN THE DIET OF Oligosarcus hepsetus (CHARACIFORMES, CHARACIDAE) IN A BRAZILIAN RESERVOIR
... and seasonal changes in the diet of Oligosarcus hepsetus in order to describe the strategy developed by this species that allows their very high abundance in Lajes reservoir, Rio de Janeiro, ...
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Global variation in the long-term seasonal changes observed in ionospheric F region data
... which changes in thermospheric winds would affect the annual or semi-annual variation of the iono- sphere will depend on ...that seasonal changes in ion production dominate, any change in ...
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Seasonal changes of microfilarial infection and infectivity rates in mosquito populations within Makurdi, Benue State, Nigeria
... that MDA has been implemented in only five States (Plateau, Nassarawa, Ekiti, Ondo and Osun). Therefore, the need to ascertain the infection and endemicity rates in other parts of the country like Benue State is very ...
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Long-term seasonal changes in the abundance of Dendrodoris nudibranchs: a five-year survey
... Typically, migration is defined as a “seasonal movement of large numbers of animals over great distances (Gibson 2003). In the case of nudibranchs, it is accepted that they undertake migrations to spawn on the ...
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Photochemical production of ammonium in the oligotrophic Cyprus Gyre (Eastern Mediterranean)
... In order to estimate the annual rate of photoammonification in the Cyprus gyre, we scaled our apparent photoproduction rate estimates to take account of seasonal changes in solar irradia[r] ...
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Seasonal variation in fish trophic networks in two clear-water streams in the Central Llanos region, Venezuela
... different seasonal patterns of interspecific dietary ...the seasonal changes of dietary overlap between the two streams suggests that additional factors not examined here, such as variation in ...
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Population Biology of Allocreadium lobatum Wallin, 1909 (Digenea: Allocreadiidae) in the Creek Chub, Semotilus atromaculatus, Mitchill (Osteichthyes: Cyprinadae), in a Nebraska Creek, USA
... Complementary to these maturational findings, the length of A. lobatum increases May through August (Fig. 2). Longer parasites are found in the months of June, July, and August (Fig. 2) during which time most parasites ...
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Effect of Coastline Properties and Wastewater on Plankton Composition and Distribution in a Stressed Environment on the North Coast of Olinda-PE (Brazil)
... by seasonal changes and by the physical constraint imposed by the breakwaters) have caused at a diversity reduction (H´) in the phytoplankton, mainly in the sheltered zone in Rio ...
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Rev. bras. farmacogn. vol.16 número3
... 2002). Seasonal changes, for example, alter plant metabolism and, consequently, biosynthetic pathways (Hatano et ...demonstrate seasonal variations in tannin concentration (Gebrehiwot et ...
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Spatial and temporal variability of canopy cover and understory light in a Cerrado of Southern Brazil
... that seasonal varia- tion of the canopy CO 2 assimilation rate is dependent on LAI ...described seasonal variation in overstory LAI due to the greater contribution of deciduous and semi-deciduous species of ...
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Plankton community dynamics in a subtropical lagoonal system and related factors
... The seasonal variations observed in our study were characteristic of subtropical weather, associated for example with rainfall or cold fronts (Fontes and Abreu 2012, Hennemann and Petrucio ...and seasonal ...
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Euglossine bees (Hymenoptera, Apidae) in a remnant of Atlantic Forest in Paraná State, Brazil
... abundance, seasonal changes in the species abundance and scent association of male Euglossini collected in a semi-deciduous forest fragment in the north of the State of Paraná, southern Brazil, were ...most ...
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Arq Bras Endocrinol Metab vol.48 número2
... 10. Rosen CJ, Morrison A, Zhou H, Storm D, Hunter SJ, Mus- grave K, et al. Elderly women in northern New England exhibit seasonal changes in bone mineral density and calciotropic hormones. Bone Miner ...
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Ingestion and selection 01suprabenthic crustaceans by small-sized lishes in a lower saltmarsh system
... decapod larvae, and reveals a strong seasonal variation. The fishes were alI carnivorous with suprabenthic crustacean as their main food resource. Seasonal changes in food supply are als[r] ...
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