Communities of Canopy‐Dwelling Arthropods in Response to Diverse Forages

Bhandari, Krishna B.; West, Charles P.; Longing, Scott D.

doi:10.2134/ael2018.07.0037

Cited by 11 publications

(7 citation statements)

References 16 publications

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“…The higher number of Diptera and Hymenoptera species reported by our study relative to Hu (1995) may be the result of the larger geographic range conducted by our survey. Another example of arthropod bioinventories in grasslands of the Texas panhandle found the canopy-dwelling to have the highest specimen abundance in the orders of 1) Hemiptera, 2) Araneae, 3) Orthoptera, 4) Coleoptera, and 5) Hymenoptera (Bhandari et al 2018). These results differ from our survey, which documented the five most abundant orders to be 1) Hemiptera, 2) Diptera, 3) Hymenoptera, 4) Orthoptera, and 5) Araneae.…”

Section: Discussioncontrasting

confidence: 99%

“…However, the relatively low abundance of pollinators in the foliar community was unexpected to us. But this result does align with a recent rangeland bioinventory, which documented pollinators to be only a minor portion of the community (Bhandari et al 2018). The abundance of pollinators in pasture systems is likely influenced by forb abundance.…”

Section: Discussionsupporting

confidence: 64%

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An inventory of the foliar, soil, and dung arthropod communities in pastures of the Southeastern United States

Schmid

Welch

Lundgren

2021

Preprint

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Grassland systems constitute a significant portion of the land area in the U.S., and as a result, harbor a significant amount of arthropod diversity. During this time of biodiversity loss around the world, bioinventories of ecologically important habitats serve as important indicators for the effectiveness of conservation efforts. We conducted a bioinventory of the foliar, soil, and dung arthropod communities in 10 cattle pastures located in the southeastern U.S. during the 2018 grazing season. In sum, 126,251 specimens were collected. From the foliar community, 13 arthropod orders were observed, with the greatest species richness found in Hymenoptera, Diptera, and Hemiptera. The soil-dwelling arthropod community contained 18 orders. The three orders comprising the highest species richness were Coleoptera, Diptera, and Hymenoptera. Lastly, 12 arthropod orders were collected from cattle dung, with the greatest species richness found in Coleoptera, Diptera, and Hymenoptera. Herbivores were the most abundant functional guild found in the foliar community, and predators were most abundant in the soil and dung communities. While bioinventories demand considerable time, energy, and resources to accomplish, the information from these inventories has many uses for conservation efforts, land management recommendations, and the direction of climate change science.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionsupporting

confidence: 64%

An inventory of the foliar, soil, and dung arthropod communities in pastures of the Southeastern United States

Schmid

Welch

Lundgren

2021

Preprint

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“…Bhandari et al (2018d) the same pastures demonstrated a numerical tendency for deterrence of horn flies (Haematobia irritans L.) on cattle grazing OWB, but horn fly densities were not consistently reduced (Bhandari et al, 2018c). In contrast, no clear inhibitory effects of OWB on canopy arthropods (Bhandari et al, 2018b) and soil microbial community (Bhandari et al, 2018a) were found. Insect pollinators facilitate the reproduction of ?87% of the world's wild flowering plant species and therefore are essential components of sustainable terrestrial ecosystems (Ollerton et al, 2011).…”

mentioning

confidence: 73%

Pollinator Abundance in Semiarid Pastures as Affected by Forage Species

et al. 2018

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The semiarid Texas High Plains has a declining water supply for irrigated crop production because of unsustainable pumping from the Ogallala aquifer. Conversion of land from annual crops to limited‐irrigated perennial forages is an option for profitable land use. ‘WW‐B.Dahl’ old world bluestem [Bothriochloa bladhii (Retz) S.T. Blake, OWB] is a well‐adapted grass known for deterring some soil‐dwelling insects, but effects of OWB on insect pollinators are unknown. The aim of this study was to determine whether adapted forage types (species or mixtures) affected insect pollinator abundance in pastures. Foraging insects were collected using bee bowls and compared among OWB alone, OWB mixed with alfalfa (Medicago sativa L.), alfalfa, and a native grass mix. Twenty‐one families from four orders of insects were recovered over 3 yr. Sweat bee (Hymenoptera: Halictidae) was the most abundant family, with 59% of the total number of insects collected. Honey bees (Hymenoptera: Apidae) constituted an additional 17% of the total number of insects collected, with hover flies (Diptera: Syrphidae) and skippers (Lepidoptera: Hesperiidae) found in lesser abundances. Interactions between forage type and years restricted consistent forage‐type effects. In general, the lowest abundances of foraging insects were commonly found in OWB growing alone, especially of the native, ground‐nesting sweat bee, whereas greater abundances were more commonly found in native grass and alfalfa pastures. Widespread adoption of WW‐B.Dahl OWB may reduce local numbers of foraging insects in the Texas High Plains, which could negatively affect pollinators in managed grasslands.

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“…Various soil-dwelling arthropods alter soil microbial communities and associated soil functions [36]. Likewise, soil microbial communities and associated enzyme activities depend on the chemical composition of plant chemistry and their chemical composition [37,38]. All of these factors may be altered by afforestation (e.g., changes in tree composition) and silvicultural techniques (e.g., residue management).…”

Section: Introductionmentioning

confidence: 99%

Changes in Soil Microbial Biomass, Community Composition, and Enzyme Activities After Half-Century Forest Restoration in Degraded Tropical Lands

Zhang

Xiong

et al. 2019

Forests

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Soil carbon (C) sequestration and stabilization are determined by not only the C input to the soil but also the decomposition rate of soil organic matter (SOM), which is mainly mediated by soil microbes. Afforestation, an effective practice to restore forests from degraded or bare lands, may alter soil microbial properties, and thus soil C and nitrogen (N) dynamics. The aim of this study was to investigate the impacts of different afforestation strategies on soil microbial compositions and activities after afforestation for half a century. Soil samples were collected from two afforested sites (i.e., a restored secondary forest (RSF) and a managed Eucalyptus forest (MEP)) and two reference sites (i.e., a nearby undisturbed forest (UF), representing the climax vegetation and a bare land (BL), representing the original state before restoration) in south China. We quantified the soil microbial biomass, microbial community compositions, and activities of nine extracellular enzymes at different soil depths and in different seasons. Results showed that the soil microbial biomass, all the main soil microbial groups, and the activities of all extracellular enzymes were significantly increased after afforestation compared to the BL sites, while the ratios of fungi/bacteria (F/B), specific enzyme activities, and the ecoenzymatic stoichiometry were significantly decreased regardless of the season and soil depth. Between the two afforested sites, these microbial properties were generally higher in the RSF than MEP. However, the microbial properties in the RSF were still lower than those in the UF, although the differences varied with different seasons, soil depths, and microbial groups or enzymes. Our findings demonstrated that afforestation might significantly improve microbial properties. Afforestation is more effective in mixed-species plantation than in the monoculture Eucalyptus plantation but needs a much longer time to approach an equivalent level to the primary forests.

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Communities of Canopy‐Dwelling Arthropods in Response to Diverse Forages

Cited by 11 publications

References 16 publications

An inventory of the foliar, soil, and dung arthropod communities in pastures of the Southeastern United States

An inventory of the foliar, soil, and dung arthropod communities in pastures of the Southeastern United States

Pollinator Abundance in Semiarid Pastures as Affected by Forage Species

Changes in Soil Microbial Biomass, Community Composition, and Enzyme Activities After Half-Century Forest Restoration in Degraded Tropical Lands

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