Jumping spiders can leap over 25 times their own body length.
Gradients of Arthropod Diversity and Moisture Content in Crown Humus of Ancient Redwoods
Understanding the characteristics of crown humus in redwood forests
Crown humus, which forms extensive mats on ancient redwood trees, supports a variety of terrestrial biota including vascular plants, mycorrhizal fungi, earthworms, mollusks, arthropods and salamanders. This study aims to quantify gradients of micro-arthropod assemblages in redwood crown humus and analyze vertical moisture availability in deep humus accumulations. An inventory of micro-arthropods in redwood crown humus will also be conducted. Ten ancient redwoods with large humus mats have been selected in Prairie Creek Redwoods State Park in California. One large mat in each tree will be studied.
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