Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 2 of 2 for “"secretive species"”.
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Nongame Vertebrate Survey of Sand Lake National Wildlife Refuge, Brown County, South Dakota
… about the abundance and distribution of nongame species by primary habitat types in the northern Great Plains. This is due, in part, to the paucity of biological surveys on public and private lands. Even fewer surveys have occurred on isolated ecosystems in this region. Narrative reports …
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Improving the Utility of Artificial Shelters for Monitoring Eastern Hellbender Salamanders (Cryptobranchus alleganiensis alleganiensis)
Artificial shelters show great promise as novel, non-invasive tools for studying hellbenders, but their use thus far has faced several challenges. During initial trials in multiple river networks, artificial shelters routinely became blocked by sediment and dislodged during high stream discharge …