Optimal concentrations in nectar feeding

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August undefined, 2024

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 … WebOct 15, 2024 · In nature, bees with damaged tongues are adapted to have a feat in collecting nectariferous sources in a large spectrum of concentrations (19%–69%) or viscosities (10 –3 Pa·s to 10 –1 Pa·s); however, effects of nectar property on compensated dipping behavior remain elusive.

Reply to Rico-Guevara and Rubega: Nectar loading in hummingbirds

Weboptimal 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. 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. how far back does a dbs check go back

Optimal concentrations in nectar feeding

http://oastats.mit.edu/handle/1721.1/72959 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). 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 ... how far back does accurate background go

Drinking made easier: honey bee tongues dip faster into warmer …

The Honeybee’s Protrusible Glossa is a Compliant Mechanism

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 … WebAug 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 … hidizs websiteWebWe 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 … hidizs technology company limited

"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... " - Optimal concentrations in nectar feeding

Optimal concentrations in nectar feeding

Sucking or lapping: facultative feeding mechanisms in honeybees

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

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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 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 …

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 ... 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.

WebMar 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 … WebThe model predicts that optimal sugar concentrations vary for particular pollinators as a function of two primary factors: (1) the energy flux derived from the nectar, as discussed above, as well as (2) the relative contribution of transit costs to overall foraging costs. ... Daniel TL (1983) Mechanical determinants of nectar feeding strategy ...

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 …

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. hidizs ms1-rainbowWebSep 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 … how far back does a hair sample drug test goWebSep 26, 2011 · Both licking frequency and volume per lick decreased with increasing concentration, contradicting previous suggestions that … how far back does a hair drug test goWebSeasonal intake responses could reflect digestive plasticity in the nectar-feeding bat Anoura geoffroyi 12 October 2024 Jorge Ayala-Berdon, Cesar García Corona & Margarita Martínez … how far back does a lab urine test goWebAs 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. how far back does a hair folicle test go backWebNov 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 … how far back does a hair follicle drug testWebApr 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... how far back does an a1c test measure