66 research outputs found
Predicting invasions of North American basses in Japan using native range data and a genetic algorithm
Largemouth bass Micropterus salmoides and smallmouth bass M. dolomieu have been
introduced into freshwater habitats in Japan, with potentially serious consequences for native fish
populations. In this paper we apply the technique of ecological niche modeling using the genetic
algorithm for rule-set prediction (GARP) to predict the potential distributions of these two species
in Japan. This algorithm constructs a niche model based on point occurrence records and ecological
coverages. The model can be visualized in geographic space, yielding a prediction of potential
geographic range. The model can then be tested by determining how well independent point
occurrence data are predicted according to the criteria of sensitivity and specificity provided by
receiverāoperator curve analysis. We ground-truthed GARPās ability to forecast the geographic
occurrence of each species in its native range. The predictions were statistically significant for
both species (P , 0.001). We projected the niche models onto the Japanese landscape to visualize
the potential geographic ranges of both species in Japan. We tested these predictions using known
occurrences from introduced populations of largemouth bass, both in the aggregate and by habitat
type. All analyses robustly predicted known Japanese occurrences (P , 0.001). The number of
smallmouth bass in Japan was too small for statistical tests, but the 10 known occurrences were
predicted by the majority of models
Isolation and characterization of microsatellite loci in the endangered perennial Eleocharis parvula
Dose-response relationship between total cadmium intake calculated from the cadmium concentration in rice collected from each household of farmers and renal dysfunction in inhabitants of the Jinzu River basin, Japan
Water quality and concentration of alkylphenols in rivers used as source of drinking water and flowing through urban areas
Validation of a novel radiation mapping platform for the reduction of operator-induced shielding effects
Environmentally sound destruction of hexabromocyclododecanes in polystyrene insulation foam at commercial-scale industrial waste incineration plants
Development of microsatellite markers for the endangered semi-shrub Chimaphila umbellata
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