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TS018
DEMO Arthropods (2003-2004)

PRINCIPAL INVESTIGATOR:
Juraj Halaj

ORIGINATOR:
Juraj Halaj

OTHER RESEARCHER:
Charles B. Halpern

DATA SET CREDIT:
Dr. Hoonbok Yi, Funding Agencies: USDA Forest Service, University of Washington, Oregon State University

METADATA CREATION DATE:
3 Mar 2006

MOST RECENT METADATA REVIEW DATE:
27 Oct 2014

KEYWORDS:
Biomass (invertebrates), Community structure, Disturbance ecology, Ecosystem management, Green tree retention, Habitat management

PURPOSE:
To provide data on the abundance and diversity of litter and bark-dwelling arthropods as ecological indicators of forest conditions. The bark arthropod data were also collected to provide information on the potential food availability to bark-gleaning birds.

METHODS:

Experimental Design - TS018:

Description: Block design. Randomized block, split-plot design, repeated over two years.

Field Methods - TS018 :

Description: Bark and litter traps

Laboratory Methods - TS018 :

Description: Arthropod identification and biomass determination using a microscope.

Permanent Plots - TS018:

Description: Arthropods collected within DEMO permanent vegetation plots.

Statistical Methods - TS018 :

Description: SAS, Statistical Analysis System.

SITE DESCRIPTION:
Western Oregon and Washington

GENERAL TAXONOMIC COVERAGE:
Non-arachnid arthropods (order level and species level of Carabidae) and arachnids, including spiders (Araneae) and Opiliones.

TAXONOMIC SYSTEM:
None

GEOGRAPHIC EXTENT:
Western Oregon and Washington

MEASUREMENT FREQUENCY:
3-6 times May to August

PROGRESS DESCRIPTION:
Study collection is completed and no new collection is planned

UPDATE FREQUENCY DESCRIPTION:
Data updated frequency is unknown

CURRENTNESS REFERENCE:
"Ground condition" is the range of dates during which the site was visited and data collected.

RELATED MATERIAL:
Related DEMO databases: TP108, TP104