Optimal concentrations in nectar feeding

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August undefined, 2024

WebWe identify three nectar drinking techniques: active suction, capillary suction, and viscous dipping. For each, we deduce the dependence of the volume intake rate on the nectar … WebNational Center for Biotechnology Information

Optimal sugar concentrations of floral nectars

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 … WebJun 6, 2013 · Optimization of sugar flow and transport efficiency predicts optimal concentrations of 23.5 per cent (if the pressure differential driving the flow is independent of concentration) and 34.5 per cent (if the pressure is proportional to concentration). ipswich remembered facebook public page

Optimal concentrations in nectar feeding. - Europe PMC

WebNov 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 … WebMar 20, 2011 · For each, we deduce the dependence of the volume intake rate on the nectar viscosity and thus infer an optimal sugar concentration consistent with laboratory measurements. Our results provide the first rationale for why suction feeders typically pollinate flowers with lower sugar concentration nectar than their counterparts that use … 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 … orchard paddock haxby

Oecologia (Berlin) (1983) 60:214-226 (j6C0l0glU - University of …

Optimal concentration for sugar transport in plants

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 … WebOptimal 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 ipswich region chamber of commerceWebof 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. orchard packs

"http://oastats.mit.edu/handle/1721.1/72959 " - Optimal concentrations in nectar feeding

Optimal 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 · We here rationalize the different optimal concentrations reported for the different drinking strategies by developing a dynamic model for viscous dipping and …

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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. 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.

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 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...

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 ... WebOptimal concentrations in nectar feeding

WebAug 5, 2003 · 1 . Specialised nectar-feeding birds tend to prefer sucrose over glucose-fructose mixtures or to be indifferent when tested at concentrations close to 584 mmol L −1 sucrose equivalents. The role of the potential interaction between sugar composition and concentration on the sugar preferences of these birds, however, has not been explored.

WebKim 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 ipswich rent my propertyWebDec 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 ... ipswich resultWebApr 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... ipswich regional council interactive mappingWebMar 20, 2011 · We identify three nectar drinking techniques: active suction, capillary suction, and viscous dipping. For each, we deduce the dependence of the volume intake rate on … ipswich remembers picturesWeboptimal 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. ipswich rental propertiesWebNectar-feeding birds (e.g., hummingbirds* and sunbirds) employ capillary suction, in which capillary pressure drives flow along the ... Inset: Optimal concentrations for suction … orchard paddocks guildfordWebSep 26, 2011 · Both licking frequency and volume per lick decreased with increasing concentration, contradicting previous suggestions that … orchard palace cork