Effects of vertebrate herbivores and shrub characteristics on arthropod assemblages in a northern Arizona forest ecosystem

Effects of tree cutting and fire on understory vegetation in mixed conifer forests

“…Species richness, on the other hand, often has been little affected or increased by grazing, usually through positive responses of annuals and other short-lived species (Riggs et al, 2000). More extensive research in P. ponderosa forests has supported these findings: when appreciable herbivores are present, plant abundance can be substantially reduced, individual species can decrease or increase in response to herbivory (Clary, 1975;Huffman et al, 2009), and plant richness often is less influenced or increases depending on the forest overstory (Bakker and Moore, 2007). Particularly in mixed conifer forest containing P. tremuloides, a tree whose recruitment is limited by browsing, herbivory could also influence post-treatment understory dynamics via effects mediated through tree structure (Coop et al, 2014).…”

Indirect effects of domestic and wild herbivores on butterflies in an African savanna

“…Many studies also have examined the indirect effects of herbivory on competitive interactions between large ungulates, especially between livestock and wild herbivores (e.g., Madhusudan 2004;Young et al 2005;Wegge et al 2006;Yoshihara et al 2008b;Odadi et al 2011). Less commonly studied are other indirect effects of herbivore-driven web interactions in natural systems (Paine 2000;Rooney and Waller 2003;Weisberg and Bugmann 2003;Pringle et al 2007;Huffman et al 2009;Peco et al 2011). This study focuses on the indirect effects that large ungulate herbivores, domestic and wild, have on a nonplant taxa (butterflies) via a novel interaction.…”

Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park

“…pend on preserving their mutualistic relationships with pollinators and with the web of organisms that affect both plant and pollinator''. Huffman et al (2009) found arthropod abundances to be greater on Fendler's ceanothus (Ceanothus fendleri) that were protected from elk and deer herbivory. Additionally, Martin et al (2011) concluded there is a growing body of knowledge indicating that the regulation of cover and structure of understory vegetation by ungulates can profoundly affect bird assemblages.…”

“…6. Generalized diagram indicating a wide range of terrestrial faunal species in Yellowstone National Park that might benefit from the food-web support provided by an improving community of berry-producing shrubs (Bailey, 1930;Grinnell and Miller, 1944;Mattson et al, 1991;Bairlein, 2002;Huffman et al, 2009). pend on preserving their mutualistic relationships with pollinators and with the web of organisms that affect both plant and pollinator''.…”