Optimal concentrations in nectar feeding

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August undefined, 2024

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 …

Nectar uptake in bats using a pumping-tongue mechanism

http://oastats.mit.edu/handle/1721.1/72959 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 … dhmis teachers names

Nectar preferences in male bumblebees SpringerLink

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 … WebAug 22, 2015 · In order to evaluate our model, we compared the model output against our empirical results from actual feeding birds, using the following model parameters: pa = 3. 3 kPa, E = 4 kPa, and four tube lengths from 10 to 13.4 … 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 ... cimbclicks malaysia fd rate

The mechanics of nectar offloading in the bumblebee Bombus terrestri…

Optimal concentration for sugar transport in plants

WebOptimal concentrations in nectar feeding 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 … cimb clicks issueWebJan 22, 2024 · For bumblebees and honeybees, which feed on nectar by lapping, dipping their feathery glossa (tongue) into the nectar [ 9, 15, 16 ], models of drinking rates predict … dhmis the council

"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. " - Optimal concentrations in nectar feeding

Optimal concentrations in nectar feeding

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 … 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 …

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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 … 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.

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 … 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...

WebSep 26, 2011 · Both licking frequency and volume per lick decreased with increasing concentration, contradicting previous suggestions that … 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

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 …

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 … cimbclicks official websiteWebDec 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. dhmis theory wikiWeboptimal 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. cimb clicks offlineWebAug 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. cimb clicks malaysia registerWebMar 1, 2015 · From the formula of nectar intake mass listed above, we can speculate that if all of the hairs erect vertically, namely α ( x )=90°, the proboscis will ideally lift the largest amount of nectar, which can be calculated as . However, the average erection angle was 37.26°, which was not in accordance with the optimal erection angles. dhmis the love songWebNectar-feeding birds (e.g., hummingbirds* and sunbirds) employ capillary suction, in which capillary pressure drives flow along the ... Inset: Optimal concentrations for suction … cimb clicks password resetWebSep 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. dhmis theory reddit