Caitlin Dempsey

Caitlin Dempsey is the editor of Geography Realm and holds a master's degree in Geography from UCLA as well as a Master of Library and Information Science (MLIS) from SJSU.
Bothriocyrtum californicum (California Trapdoor Spider). Photo: Davefoc, MediaWiki Commons, CC BY 3.0

Biogeography of the Californian Trapdoor Spider

Caitlin Dempsey

Californian trapdoor spiders are found in a wide range of habitats and climates, ranging from hot, dry cresote bush scrub to cool montane red fir forests, and wet coast redwood forests.

A wildlife underpass at Laguna Atascosa National Wildlife Refuge in south Texas. Photo: Mitch Sternberg/USFWS, public domain.

How Space and Time Affect Conservation Biology

Caitlin Dempsey

Time and space are two extremely important concepts that are central to formulating theories and models in biotic conservation.