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As to total biomasses or abundances, only total biomass without Chaoborus was significantly connected to layers.
We conducted three types of analyses: 1) spatial and temporal analyses to compare the abundances of wild and hatchery chum salmon fry; 2) spatial and temporal analyses to contrast the body sizes of hatchery and wild chum salmon fry; and 3) analyses to correlate the distribution and size of wild chum fry with hatchery fry distribution, sea surface temperature, and salinity.
We hypothesized that the distribution and abundance of the target species in spring-fed habitats in the Trans-Pecos region can be modeled by two primary factors: local environmental factors and the abundance of nonnative species.
These predictions enable us to anticipate trends in population increases and decreases based on juvenile abundances and, at the same time, to detect recruitment failures that may impact the fishery, illustrating the importance of maintaining juvenile abundance monitoring programs in selected reefs from this and other fishing cooperatives.
The greatest abundance occurs from September to April along the Brazilian shoreline with slight temporal variations (Barbieri 2007, Barbieri and Hvenegaard 2008, Barbieri and Paes 2008).
But there was no difference in relative abundances of pest and beneficial insects between the two years (year by insect type interaction; F[sub.
Carrying capacity Perusal of the time series suggests that population abundances above about 12 x [10.
However, she points out, ozone is famously reactive, and the abundance of other urban pollutants, including nitric oxide, may scrub ozone out of city air.
Tuna larvae generally had near-reef distributions, as greatest abundances usually occurred within 5.
The analysis showed (Table 1) that the effect of average daily temperature on the dengue vector abundances was statistically significant (t = -3.
The deuterium abundance in the Milky Way is therefore an indicator of how much star formation has occurred over the 12 to 13 billion years since the galaxy's birth.