publication . Article . 2002

sonoran desert productivity and the effect of trap size on litterfall estimates in dryland vegetation

Alberto Búrquez; Angelina Martínez-Yrízar; Silvia Núñez;
Restricted
  • Published: 06 Oct 2002 Journal: Journal of Arid Environments, volume 43, pages 459-465 (issn: 0140-1963, Copyright policy)
  • Publisher: Elsevier BV
Abstract
Abstract We describe the temporal and spatial litterfall and test the accuracy of different litter collection devices in a Sonoran Desert community. Two low-lying PVC litter trap designs were tested and compared against a standard IBP trap. The test traps collected significantly more plant litter than the IBP traps, which failed to capture most of the litter of ephemerals and low shrubs. The largest differences between the traps appeared after the pulses of growth of ephemeral plants. Data collection for a period of almost 2 years showed an annual total litterfall of 3·43 Mg ha −1 for the test traps and 2·77 Mg ha −1 for the IBP traps. These values are well abov...
Subjects
free text keywords: Earth-Surface Processes, Ecology, Ecology, Evolution, Behavior and Systematics, Biology, Primary production, Seasonality, medicine.disease, medicine, Vegetation, Arid, Spatial heterogeneity, Plant litter, Tropical and subtropical dry broadleaf forests, Litter
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