Sentence examples for reduced spawning from inspiring English sources

Exposure to TBDD reduced spawning success, altered ovarian morphology and reduced hepatic vitellogenin gene expression, which implies that TBDD has a similar effect pattern as the chlorinated analogue.

At 50 mg/L NO3 N, Shimura et al. (2002) observed reduced spawning and fecundity (measured as egg number) among adult medaka exposed to nitrate as juveniles.

In 2000, the Gulf of Maine Distinct Population Segment (GOMDPS) of Atlantic salmon was listed under the US Endangered Species Act (ESA) due to dangerously reduced spawning runs and low juvenile densities [ National Research Council (NRC) 2004].

In 2000, the Gulf of Maine Distinct Population Segment (GOM DPS) of Atlantic salmon was listed under the U.S. Endangered Species Act (ESA) due to dangerously reduced spawning runs and low wild juvenile production.

In Mutriku coast and Oiartzun estuary the reduced spawning period is likely to be caused by low food availability observed in both coastal and estuarine sites in late summer 20100) in the first studied year, compared to the following late summer 20111) (Fig. 4C).

Responses in Marisa (ruptured oviducts, increased spawning) are estrogen specific and opposite of androgenic effects (imposex, reduced spawning).

These early regulations were intended to increase profitability without reducing spawning success by increased the catch of longer sockeye, including more males, and allowed smaller fish, mostly females, to escape (Bue 1986; Link et al. 2003).

Except for a fixed minimum flow, water is drained away from the first 4.4 km of the river downstream of the dam, thus reducing spawning opportunities severely (Aass et al. 1989) and also providing a poor incubation habitat with high risk of drought and/or freezing owing to the low water flow during winter.

Barriers to migrating sea lampreys in tributaries can significantly reduce the spawning potential of sea lamprey in the Great Lakes.

The persistent long-term effects of erosion and transport of sediment over several decades may be driving the pattern of hybridization, as medium-term increased sediment load into streams has been shown to reduce critical spawning habitat for salmonids.

Management of fisheries to achieve maximum sustainable yield (MSY) typically reduces the spawning abundance of a productive sockeye population to less than half the equilibrium level that would be attained if the population were not harvested.