Distribution of larval Devils Hole pupfish, Cyprinodon diabolis Wales, in relation to dissolved Oxygen concentration in Devils Hole
Gustafson ES and Deacon JE. 1998. Distribution of larval Devils Hole pupfish, Cyprinodon diabolis Wales, in relation to dissolved Oxygen concentration in Devils Hole. Contract number 1443PH813095341. University of Nevada, Las Vegas, Department of Environmental Studies. Las Vegas, NV
This paper studies the recruitment of Devils Hole pupfish, Cyprinodon diabolis, ass related to diel variation in dissolved oxygen (DO) concentration and water temperature. The authors found that larval and juvenile fishes regularly rested on the white mesh tops of breeder boxes during the evening and night, facilitating accurate observations of larvae. Modifying the breeder box served as a passive sampling tool when deployed as submerged platforms a few centimeters above the substrate at each of the ten study sites. It was concluded that certain sites on the upper shelf are more successful at producing hatched larvae; therefore, contribute more to recruitment. These sites are characterized by greater diel DO variation, a substrate of large to medium cobble with abundant interstices, heavy encrustation by diatoms, and no thick, overlying algal mats.
- Type
- Published Report
- Authors
- Gustafson, Eric; Deacon, James
- Date of Issue
- 1998-04-01
- Publisher
- University of Nevada, Las Vegas, Department of Environmental Studies
- Units
- DEVA
- Keywords
- Absence (Biodiversity), Abundance (Biodiversity), Animal Studies, Ash Meadows National Wildlife Refuge NV, Cyprinodon diabolis (Devils Hole pupfish ), Death Valley National Park CA NV, dissolved oxygen (DO) variability, Distribution (Biodiversity), larval observation techniques, population recruitment, Presence (Biodiversity), prolarval and postlarval distribution, spawning shelf substrate, Taxa Links To Datasets, Taxa Links To References