Viable grass seeds in herbivore dung from a semi‐arid grassland

D. T. WICKLOW, J. C. ZAK

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Faeces of cattle, pronghorn and rabbit were collected from the Central Plains Experimental Range, Colorado, 6, 18 and 30 months after being excreted. The faecal material was placed in moistened potting soil and seedling emergence observed. Bouteloua gracilis (blue grama grass) and Sporobolus cryptandrus (sand drop seed), emerged in abundance from cattle dung. Emergence of B. gracilis decreased with increasing period of exposure before collection, but emergence of S. cryptandrus increased with exposure. Forbs dominated the seedling populations in pronghorn dung, and few seedling populations of any species emerged from rabbit dung. The results are discussed in relation to the effect of large herbivores on the establishment of species from seed in rangeland.

Original languageEnglish
Pages (from-to)25-26
Number of pages2
JournalGrass and Forage Science
Volume38
Issue number1
DOIs
StatePublished - Mar 1983

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