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310 results for “host use”
Fig. 1 in Battus polydamas (Lepidoptera: Papilionidae) uses the open-field Aristolochia sessilifolia (Piperales: Aristolochiaceae) as its host plant in Uruguayan savanna areas
Fig. 1. Consensus species distributions obtained by an ensemble forecasting of models consisting of 5 algorithms (Bioclim, Malahanobis Distance, MaxEnt, GARP, and SVM) using environmental data from occurrence points of (A) Battus polydamas and (B) Aristolochia sessilifolia.
Faunal input at host plants: can Camelthorn trees use nutrients imported by resident Sociable weavers?
"Islands of fertility" result from the focussing of water and nutrients around many shrub- or tree species due to plants foraging for resources. Plant-animal feedbacks may amplify the development of such islands through environmental modification due to, for example, faunal deposition of nutrients and seeds. Fauna residing within vegetation clumps are likely to exert stronger feedbacks on their hosts than itinerant species. We studied the interaction between camelthorn trees (Vachellia erioloba) and the colonial nests of sociable weavers (Philetairus socius) in the Kalahari. We hypothesised that the accumulation of biological material below the nests will alter the nutrient status of the soil beneath the nest trees, in relation to unoccupied trees and the surrounding grassland. We also suggested that this association will have both positive and negative effects on the camelthorn trees. We found that soil concentrations of N, P and K were respectively 4, 4.6 and 1.2 times higher below trees with nests compared to control trees, indicating faunal concentration of nutrients. Soil δ15N values were higher below trees with than below control trees without nests. Foliar δ15N values were also higher in nest trees than in control trees, showing the trees accessed faunally-derived N. Furthermore, foliar biomass per diameter of terminal branches was 27% higher in nest trees, suggesting that trees respond to nutrient input from the weavers with increased growth. Large barren areas in the sub-canopy vegetation directly beneath the colonies were attributed to decreased water infiltration rates as a result of accumulation of organic matter due to continuous deposition of faeces, possibly limiting competitive species from establishing in the sub-canopy. On the other hand, canopy volume was reduced in trees with nests due to nests occupying large volumes within the canopy and nests frequently causing branch fall, indicating costs associated with hosting weaver colonies.
Figure 2 from: Heraty J, Carey B, Visscher K (2012) Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae). Journal of Hymenoptera Research 27: 47-65. https://doi.org/10.3897/jhr.27.3067
Figure 2 - Distribution of extrafloral nectaries (EFN) on shoots of Chilopsis linearis in AZ, 1999. Shoot defined as branch with new growth and leaves with EFN. a all EFN b filled EFN c wet EFN d dry EFN.
Figure 1 from: Heraty J, Carey B, Visscher K (2012) Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae). Journal of Hymenoptera Research 27: 47-65. https://doi.org/10.3897/jhr.27.3067
Figure 1 - a female of Orasema simulatrix b Chilopsis linearis, habitat c leaf shoot d head of Pheidole desertorum with planidium of Orasema simulatrix e extrafloral nectary (EFN) with planidium inside nectary and oviposition punctures (OVIP) along leaf f EFN with planidium (PL) g planidium with dorsal and ventral view divided by bar h male pupa of Orasema simulatrix.
Figure 4 from: Heraty J, Carey B, Visscher K (2012) Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae). Journal of Hymenoptera Research 27: 47-65. https://doi.org/10.3897/jhr.27.3067
Figure 4 - Distribution of immature stages among the three conditions of extrafloral nectaries (EFN) in AZ, 1999. a undeveloped eggs b developed eggs with mature planidia c planidia. Regrowth samples excluded.
Figure 3 from: Heraty J, Carey B, Visscher K (2012) Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae). Journal of Hymenoptera Research 27: 47-65. https://doi.org/10.3897/jhr.27.3067
Figure 3 - a–c Distribution of immature stages of Orasema simulatrix among leaf categories on Chilopsis linearis in AZ, 1999 d total number of oviposition punctures on Chilopsis linearis. Regrowth samples excluded (see text for details).
Figure 5 from: Heraty J, Carey B, Visscher K (2012) Nectary use for gaining access to an ant host by the parasitoid Orasema simulatrix (Hymenoptera, Eucharitidae). Journal of Hymenoptera Research 27: 47-65. https://doi.org/10.3897/jhr.27.3067
Figure 5 - Ant abundance at baits on or near Chilopsis linearis in AZ, 1998. a Pheidole desertorum on tree b Pheidole desertorum on ground c Solenopsis xyloni on ground. Only Pheidole desertorum was recovered at baits in the tree.
Allogeneic HCT Using Nonmyeloablative Host Conditioning With TLI & ATG vs SOC in AML
ClinicalTrials.gov study NCT00568633. IPD Sharing: NO. Countries: 1. Publications: 0.
The Prophylactic Use of Topical Cyclosporine A 0.05% to Prevent Graft Versus Host Disease Related Dry Eye
ClinicalTrials.gov study NCT00553735. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Pathogen growth in insect hosts: inferring the importance of different mechanisms using stochastic models and response time data
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Faunal input at host plants: can Camelthorn trees use nutrients imported by resident Sociable weavers?
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Non-adaptive host-use specificity in tropical armored scale insects
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Data from: Scale dependencies and generalism in host use shape virus prevalence
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Data from: Using host-associated differentiation to track source population and dispersal distance among insect vectors of plant pathogens
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Data from: Evidence for a trade-off between host-range breadth and host-use efficiency in aphid parasitoids
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Data from: The evolution of novel host use is unlikely to be constrained by tradeoffs or a lack of genetic variation
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Data from: Use of an exotic host plant affects mate choice in an insect herbivore
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Data from: Predicting spatial patterns of Sindbis virus (SINV) infection risk in Finland using vector, host and environmental data
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Data from: A generalist brood parasite modifies use of a host in response to reproductive success
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Data from: Does adaptive radiation of a host lineage promote ecological diversity of its bacterial communities? A test using gut microbiota of Anolis lizards
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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