Optimal concentrations in nectar feeding

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August undefined, 2024

WebSep 24, 2024 · Optimal concentrations for nectar drinking are limited by the steep increase in the viscosity of sugar solutions with concentration. However, nectar viscosity is inversely related to temperature, which suggests there are advantages to foraging from flowers that are warmer than the surrounding air. WebSummary. A model is developed to elucidate the determinants of sugar concentrations in flower nectars. This model analyses the efficiency of sugar intake, or energy flux, which …

Optimization in nectar feeding - John W. M. Bush

WebA model is developed to elucidate the determinants of sugar concentrations in flower nectars. This model analyses the efficiency of sugar intake, or energy flux, which for … WebSeasonal intake responses could reflect digestive plasticity in the nectar-feeding bat Anoura geoffroyi 12 October 2024 Jorge Ayala-Berdon, Cesar García Corona & Margarita Martínez … meal forms

On the feeding biomechanics of nectarivorous birds

Webcable to nectar feeders that maximize energy gain per unit foraging cost, Baker's predictions regarding optimal sugar concentrations stimulated the simultaneous and indepen-dent … WebMany insects and birds feed primarily or opportunistically on floral nectar. There are three principal techniques employed by nectar feeders: active suction, capillary suction, and … WebDec 7, 2024 · The range of theoretically optimal concentrations found rationalizes the nectar concentration (35%) of flowers pollinated by honey bees in nature, providing a possible mechanistic explanation for the bees' preferred nectar concentration. ... Kim W, Gilet T and Bush J W 2011 Optimal concentrations in nectar feeding Proc. Natl Acad. Sci. 108 ... meal for two gift vouchers

Sucking or lapping: facultative feeding mechanisms in honeybees

Optimal sugar concentrations of floral nectars …

WebOptimal concentrations in nectar feeding Kim, Wonjung; Gilet, Tristan ; Bush, John W.M. 2011 • In Proceedings of the National Academy of Sciences of the United States of … WebSep 25, 2015 · Nectar-feeding bats constitute the largest number of specialized nectarivorous mammals and are found in two families: the Old World fruit bats (Pteropodidae) and the New World leaf-nosed bats (Phyllostomidae) in a number of genera traditionally placed in the subfamily Glossophaginae (6, 7).Floral nectar is generally … meal for schoolWebOptimal sugar concentrations of floral nectars -dependence on sugar intake efficiency and foraging costs Oecologia. 1983 Nov;60 (2):198-213. doi: 10.1007/BF00379522. Author Amy J Heyneman 1 Affiliation 1 Department of Zoology, University of California, 90027, Berkeley, CA, USA. PMID: 28310487 DOI: 10.1007/BF00379522 Abstract meal for two marks and spencer

"WebJan 20, 2024 · However, these studies exploring optimal concentrations focused solely on the collection stage of nectar feeding, as opposed to the entire process (see sections below). For example, a later stage may have a greater impact on caloric uptake rates than the initial stage depending on the specifics of fluid transport (through tongue and bill) and ... " - Optimal concentrations in nectar feeding

Optimal concentrations in nectar feeding

Hummingbird feeding mechanics: Comments on the capillarity …

Webof nectar trapping, as opposed to capillarity, while feeding (cf. 2, 5). Hence, the outputs of their model and conclusions with regard to optimal concentrations in nectar feeding may be broadly unrealistic. Alejandro Rico-Guevara1 and Margaret A. Rubega Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269 1. WebDec 1, 2024 · Lehnert M S, Mulvane C P, Brothers A. Mouthpart separation does not impede butterfly feeding. Arthropod Structure & Development, 2014, 43, 97–102. Article Google Scholar Kim W, Gilet T, Bush J W M. Optimal concentrations in nectar feeding. Proceedings of the National Academy of Sciences, 2011, 108, 16618–16621.

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http://oastats.mit.edu/handle/1721.1/72959 WebApr 10, 2012 · By demonstrating that this model successfully predicts the dependence of nectar intake rate on nectar concentration, Kim et al. [18] recently provided a rationale for the optimal...

WebApr 1, 2012 · By demonstrating that this model successfully predicts the dependence of nectar intake rate on nectar concentration, Kim et al. [18] recently provided a rationale for the optimal... WebFeb 7, 2024 · Harder LD (1986) Effects of nectar concentration and flower depth on flower handling efficiency of bumble bees. Oecologia 69:309–315. Article PubMed Google Scholar Kim W, Gilet T, Bush JWM (2011) Optimal concentrations in nectar feeding. Proc Natl Acad Sci USA 108:16618–16621

WebAs sucrose concentration increased, the volume of solution ingested per meal first increased and then decreased gradually, while sucrose intake was highest at concentrations ≧40%. Females fed more than males at all concentrations >10% while temperature had no significant effect on meal size. WebOptimal concentrations in nectar feeding

WebDec 7, 2015 · Nectar-intake movements consist of rapid protraction and retraction of glossa from a tube formed by the maxillae and labial palps. We establish a physical model to reveal the driving mechanism of hair erection. Results indicate that the glossa of honeybees is similar to a compression spring.

WebSep 26, 2011 · A relatively complete physical picture of the fluid dynamics of nectar feeding has emerged. First and foremost, the optimal nectar concentration for a given creature … mealforyouuWebNov 12, 2024 · The western honey bee, Apis mellifera L. (Hymenoptera), is arguably the most important pollinator worldwide. While feeding, A. mellifera uses a rapid back-and-forth motion with its brush-like mouthparts to probe pools and films of nectar. Because of the physical forces experienced by the mouthparts during the feeding process, we … meal for two vouchersWebNational Center for Biotechnology Information meal frequency thyroidWebKim W, Gilet T, Bush JW (2011) Optimal concentrations in nectar feeding. Proc Natl Acad Sci USA 108:16618–16621. 2. Rico-Guevara A, Rubega MA (2012) Hummingbird feeding mechanics: Comments on the capillarity model. Proc Natl Acad Sci USA 109:E867. 3. Rico-Guevara A, Rubega MA (2011) The hummingbird tongue is a ﬂuid trap, not meal for two voucher giftWeboptimal nectar concentrations in capillary feeding; 2) The effects of tongue morphology, nectar volume, and licking behavior in maximizing rates of energy in- take; and 3) The consequences of and constraints on capillary and suction mechanisms for nectar feeders. meal for youWebAug 12, 2024 · We found that the optimal concentration of suction mode in honeybees coincided with the one calculated for other typical suction feeders. Moreover, we found … meal french courtWebNectar-feeding birds (e.g., hummingbirds* and sunbirds) employ capillary suction, in which capillary pressure drives flow along the ... Inset: Optimal concentrations for suction … meal for tonight