Study ID 336

Long term monitoring and experimental manipulation of a Chihuahuan Desert ecosystem near Portal Arizona

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Realm: Terrestrial
Climate: Temperate
Biome: Deserts and xeric shrublands
Central latitude: 31.938889
Central longitude: -109.079700
Duration: 14 years, from 1989 to 2002

35978 records

100 distinct species

Across the time series Haplopappus gracilis is the most frequently occurring species

Citation(s):

Ernest, S., Valone, T.J. & Brown, J.H. (2009) Long?term monitoring and experimental manipulation of a Chihuahuan Desert ecosystem near Portal, Arizona, USA. Ecology, 90, 1708-1708.

Methods

Plants rooted within 16 fixed quadrats in each plot are counted each spring (winter annual survey) and fall (summer annual survey). Quadrat dimensions: 0.25 × 0.25 m. Quadrats are placed at locations permanently marked by a rebar stake. Individual count of plant stems in each plot using quadrats Unit of abundance = IndCountInt, Unit of biomass = NA