What Animal Cuts The Branches Of Creosote Bush
journal article
The American Midland Naturalist
, pp. 310-322 (xiii pages)
Published By: The University of Notre Dame
https://www. jstor .org/stable/2426235
A sampling study was designed to examination the hypothesis that creosotebush (Larrea tridentata) shrubs along a roadside were larger, more vigorous and supported greater populations of leafage arthropods than shrubs growing xx m away from the road margin. Structural and chemical attributes of shrubs and associated foliage arthropods were measured. Roadside shrubs were larger, had denser foliage, more flowers, college foliar nitrogen contents and lower foliar resin contents than shrubs growing away from the route. Foliage arthropod densities were significantly higher on roadside shrubs. Sap-feeding herbivores dominated numerically and accounted for most of the differences in arthropod abundances between roadside and nonroadside shrubs. Numbers of foliage arthropods were positively correlated with shrub size, density and foliar nitrogen contents, and negatively correlated with foliar resin contents. These findings, in concordance with other studies, indicate that in arid environments productive, vigorous plants are preferred hosts for herbivorous insects.
The American Midland Naturalist has been published for ninety years past the University of Notre Dame. The connotations of Midland and Naturalist accept broadened and its geographic coverage at present includes North America with occasional articles from other continents. The old epitome of naturalist has changed and the journal publishes what Charles Elton aptly termed "scientific natural history" including field and experimental biology. Its significance and breadth of coverage are evident in that the American Midland Naturalist is among the most frequently cited journals in publications on environmental, mammalogy, herpetology, ornithology, ichthyology, parasitology, aquatic and invertebrate biological science and other biological disciplines.
Simultaneously an international heart for Catholic idea, a educational activity-focused liberal arts college, and a dynamic hub for research and scholarship, the College of Arts and Messages at the Academy of Notre Dame provides its students with an teaching that fuels their passion for learning while preparing them to brand a deviation in the earth. The largest and oldest college in the university, Arts and Letters houses the divisions of the arts, humanities, and social sciences. It encompasses 21 departments, more than 40 undergraduate and graduate degree programs, and a variety of interdisciplinary centers. Approximately 2,500 undergraduates and 750 graduate students pursue degrees through Arts and Letters programs; students from throughout Notre Dame enroll in thought-provoking Arts and Letters courses.
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The American Midland Naturalist © 1991 The Academy of Notre Dame
Source: https://www.jstor.org/stable/2426235
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