標(biāo)題: Titlebook: Behavioural Mechanisms of Food Selection; Roger N. Hughes Conference proceedings 1990 Springer-Verlag Berlin Heidelberg 1990 Behaviour.Die [打印本頁] 作者: Disperse 時間: 2025-3-21 18:05
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書目名稱Behavioural Mechanisms of Food Selection讀者反饋學(xué)科排名
作者: Aggrandize 時間: 2025-3-21 21:43
Timing Mechanisms in Optimal Foraging: Some Applications of Scalar Expectancy Theoryusually been assumed to result from stochastic properties of the environment (Caraco 1980; McNamara & Houston 1980) or from transient incomplete knowledge while learning proceeds (Krebs, Kacelnik & Taylor 1978; McNamara & Houston 1985; Shettleworth, Krebs, Stephens & Gibbon 1988). Nevertheless, unce作者: 彎彎曲曲 時間: 2025-3-22 02:45
On Evaluation of Foraging Strategies Through Estimates of Reproductive Successtraints. One assumption of such theories is that an animal that forages according to predictions will acquire more resources, and thus will have higher “fitness”, than a conspecific that fails to forage by the theoretical rules. This assumption is seldom tested in any way directly related to reprodu作者: heart-murmur 時間: 2025-3-22 06:14 作者: monogamy 時間: 2025-3-22 09:20
Territorial Salamanders Evaluate Size and Chitinous Content of Arthropod Preycs (Brown, 1964) and of foraging economics (Stephens and Krebs, 1986) become closely allied. Foraging decisions by the territorial defender may be influenced not only by changing densities of various prey types, but also by other environmental fluctuations, by intrusions from food competitors and pr作者: 衰弱的心 時間: 2025-3-22 16:16
Are Rules of Thumb Sufficient for the Starling’s Choice of Food According to Gain in Energy? population dynamics of the prey species and the foraging and prey choice behaviour of their predators. With birds eating insects direct observations in the field are rather difficult, therefore we have to rely to a large extent on indirect evidence. Analyses of stomach contents were a first approac作者: 流利圓滑 時間: 2025-3-22 18:57 作者: Criteria 時間: 2025-3-22 21:49
Time Scale and Diet Choice Decisionsk. Early models primarily considered long-term averages of short-term static processes. As I discuss below, recent modelers have proposed that animal decisions consider longer and more complicated time scales. The new models are more specific and more realistic in their representation of foraging be作者: d-limonene 時間: 2025-3-23 02:17 作者: AVOID 時間: 2025-3-23 05:34 作者: 人充滿活力 時間: 2025-3-23 10:21
The Role of Behaviour and Morphology in the Selection of Prey by Pikeassume that optimal choice is brought about by some behavioural process. For example the basic prey model as used by Werner and Hall (1974), assumes that animals are able to rank prey by their profitabilities and to make decisions about which prey type to include in the diet. There is no implication作者: euphoria 時間: 2025-3-23 16:59
How Important are Nutrient Constraints in Optimal Foraging Models or are Spatial/Temporal Factors Modiets) in nature, than any other ecological theory (Schoener 1986, Stephens and Krebs 1986). This is not to say that OFT has been accepted without reservation, nor that the predictive successes of the theory are unambiguous (Gray 1986, Pierce and Ollason 1987). Two major complaints about OFT studies作者: 巧思 時間: 2025-3-23 19:49
Ecological and Morphological Aspects of Changes in Food Uptake Through the Ontogeny of ,. Ecological studies provide the basis for the determination of the function of animal structures (van der Klaauw 1951; Bock and Von Wahlert 1965; Dullemeijer 1974). If it can be quantitatively shown how anatomical changes affect fitness, then this would be an important contribution towards the unde作者: 防銹 時間: 2025-3-24 00:49 作者: reception 時間: 2025-3-24 06:10
The Impact of Different Growth Pattern on the Utilization of Tree Species by a Generalist Herbivore,or tough surface. Others avoid herbivores by producing toxic chemical compounds which are distasteful. Although many of these characters may serve a variety of functions, their importance in deterring herbivores is generally obvious.作者: CHAFE 時間: 2025-3-24 07:00
Rules and Cues Used by Sheep Foraging in Monocultures and Gordon this volume). For example, the nutritional status of potential forage species is constantly fluctuating and herbivores must somehow track these changes. In addition, unlike carnivores which meet nearly all their nutritional requirements in one meal, herbivores must select diets to meet a作者: Maximize 時間: 2025-3-24 12:06
Constraints on Diet Selection and Foraging Behaviour in Mammalian Herbivoresaging behaviour. He called instead for an epigenetic approach integrating morphological, physiological and behavioural processes. Without denying the role of optimality theory as a quantification of the premise that natural selection leads to adaptation (see Krebs & McCleery 1984), it must be recogn作者: objection 時間: 2025-3-24 16:41
Foraging in the Context of Life-History : General Principles and Specific Models It has the advantage of allowing decisions to depend on the animal’s state. It also puts foraging into the context of the animal’s life-history. The final section discusses the issue of simple versus complex models.作者: 結(jié)合 時間: 2025-3-24 21:40 作者: glomeruli 時間: 2025-3-25 02:14 作者: FACT 時間: 2025-3-25 05:38 作者: 漂浮 時間: 2025-3-25 07:47 作者: CARK 時間: 2025-3-25 13:42 作者: 好開玩笑 時間: 2025-3-25 18:14
Control Problems on Time Scales1986, Bazely 1989). Functional hypotheses which have been proposed to explain observed diet selection are (a) the need to select the most nutritious vegetation (Arnold and Dudzinski 1978) and (b) the need to avoid toxic secondary plant compounds (Bryant and Kuropat 1980, Crawley 1983).作者: NAUT 時間: 2025-3-25 22:12 作者: chronology 時間: 2025-3-26 01:51 作者: Conclave 時間: 2025-3-26 07:44
Conference proceedings 1990es that rarely overlap. Here concepts and developments hitherto scattered in the literature are drawn together. This uniquely broad synthesis captures the state of the art in the study of diet selection and prescribes new objectives in theoretical development and research.作者: 結(jié)果 時間: 2025-3-26 10:47 作者: 中和 時間: 2025-3-26 14:31
Other Impulsive Control Strategies, It has the advantage of allowing decisions to depend on the animal’s state. It also puts foraging into the context of the animal’s life-history. The final section discusses the issue of simple versus complex models.作者: 完成才會征服 時間: 2025-3-26 20:45
Other Impulsive Control Strategies,rtainty in foraging may in addition originate from intrinsic properties of the predator’s information-processing capabilities. Here we consider foraging problems of ambiguity in the psychological system responsible for the perception, storage and retrieval of information about the duration of time intervals.作者: 桶去微染 時間: 2025-3-26 23:02
Impulsive Control with Fixed-time Impulses,edators, and by opportunities for courtship. Yet if defending a particular area is crucial to a territorial resident’s future fitness, then the ability of the resident to move to another area for foraging is limited. The red-backed salamander (..) is a territorial species confronted with several conflicting demands on its foraging abilities.作者: SCORE 時間: 2025-3-27 03:23 作者: Genome 時間: 2025-3-27 06:00
Boris M. Miller,Evgeny Ya. Rubinovich have been espoused. First, predicted diets may not be as close to the observed values as implied by investigators. Second, investigators sometimes invoke . explanations when predicted and observed values do not closely correspond.作者: blister 時間: 2025-3-27 11:39
Impulsive Systems on Hybrid Time Domainsised that optimality is an obscure condition to the extent that constraints are poorly defined. In this paper, we attempt to clarify and quantify the morphological, physiological and behavioural constraints on foraging in mammalian herbivores.作者: 敵手 時間: 2025-3-27 17:18 作者: Feckless 時間: 2025-3-27 19:46
https://doi.org/10.1007/978-1-4615-0095-7The problem here is that researchers are usually specialists in either ecology or functional morphology. This tends to result in a simplification of the research in one of the disciplines (see for examples Motta 1988).作者: 我怕被刺穿 時間: 2025-3-27 22:08 作者: Pessary 時間: 2025-3-28 03:42 作者: STEER 時間: 2025-3-28 08:05 作者: Toxoid-Vaccines 時間: 2025-3-28 10:44
On Evaluation of Foraging Strategies Through Estimates of Reproductive Successetical prediction is tested empirically, and the resulting data closely fit the prediction. The inference drawn from the test is that the forager must have higher potential fitness than foragers that might have performed in other ways (such as eating prey type 2 and ignoring prey type 1).作者: 洞察力 時間: 2025-3-28 15:07 作者: 防止 時間: 2025-3-28 22:10
Time Scale and Diet Choice Decisionsare incapable of planning future rewards that will arrive after a period of 1 hr (Timberlake 1984; Timberlake et al. 1987). In this review I will consider time scales implied by several foraging models and review studies that address the problem of the use of time scales by foragers. I will focus pr作者: Virtues 時間: 2025-3-29 01:01 作者: expire 時間: 2025-3-29 03:59
Predicting Ontogenetic Niche Shifts in the Field: What can be Gained by Foraging Theory?dies (Stephens and Krebs 1986, but see Schoener 1987 for artificial laboratory experiments). This behavioural research has led to the questioning on experimental and theoretical grounds of the many assumptions in the classical diet and patch models, such as sequential encounter, complete information作者: 五行打油詩 時間: 2025-3-29 10:39
Impulsive Control of Periodic Motions,etical prediction is tested empirically, and the resulting data closely fit the prediction. The inference drawn from the test is that the forager must have higher potential fitness than foragers that might have performed in other ways (such as eating prey type 2 and ignoring prey type 1).作者: grudging 時間: 2025-3-29 13:57 作者: Musket 時間: 2025-3-29 18:55
Applications to Nanoelectronics,are incapable of planning future rewards that will arrive after a period of 1 hr (Timberlake 1984; Timberlake et al. 1987). In this review I will consider time scales implied by several foraging models and review studies that address the problem of the use of time scales by foragers. I will focus pr作者: 細(xì)微差別 時間: 2025-3-29 21:16 作者: convert 時間: 2025-3-30 01:58
https://doi.org/10.1007/978-981-16-5383-4dies (Stephens and Krebs 1986, but see Schoener 1987 for artificial laboratory experiments). This behavioural research has led to the questioning on experimental and theoretical grounds of the many assumptions in the classical diet and patch models, such as sequential encounter, complete information作者: 磨碎 時間: 2025-3-30 06:06
Impulsive Control with Fixed-time Impulses,The past decade has seen considerable debate over the choice of methodology appropriate for the analysis of animal behavior. Unquestionably, the dominant approach uses a variety of optimization methods as a basis for modeling behavior.作者: Fsh238 時間: 2025-3-30 11:03 作者: 莎草 時間: 2025-3-30 13:37
Predator Switching and the Interpretation of Animal Choice Behavior: The Case for Constrained OptimiThe past decade has seen considerable debate over the choice of methodology appropriate for the analysis of animal behavior. Unquestionably, the dominant approach uses a variety of optimization methods as a basis for modeling behavior.作者: Overthrow 時間: 2025-3-30 17:05
The Starvation-Predation Trade-Off And Some Behavioural and Ecological ConsequencesThere are a variety of ways in which an animal may increase the amount of food it obtains at the expense of an increase in predation risk. I give some examples:作者: floaters 時間: 2025-3-30 21:37
Nato ASI Subseries G:http://image.papertrans.cn/b/image/182918.jpg作者: 單純 時間: 2025-3-31 03:57
Other Impulsive Control Strategies,hree main sections. The first describes some models based on maximizing the long-term rate of energetic gain. It is shown that the predictions of the standard model of prey choice do not necessarily hold in other contexts. The second section outlines a more general framework for modelling behaviour.作者: filicide 時間: 2025-3-31 08:33 作者: 嘲弄 時間: 2025-3-31 13:09
Impulsive Control of Periodic Motions,traints. One assumption of such theories is that an animal that forages according to predictions will acquire more resources, and thus will have higher “fitness”, than a conspecific that fails to forage by the theoretical rules. This assumption is seldom tested in any way directly related to reprodu作者: Cerumen 時間: 2025-3-31 15:58 作者: MIR 時間: 2025-3-31 20:36
Impulsive Control with Fixed-time Impulses,cs (Brown, 1964) and of foraging economics (Stephens and Krebs, 1986) become closely allied. Foraging decisions by the territorial defender may be influenced not only by changing densities of various prey types, but also by other environmental fluctuations, by intrusions from food competitors and pr作者: 標(biāo)準(zhǔn) 時間: 2025-4-1 00:31
Practical Stability of Impulsive Control, population dynamics of the prey species and the foraging and prey choice behaviour of their predators. With birds eating insects direct observations in the field are rather difficult, therefore we have to rely to a large extent on indirect evidence. Analyses of stomach contents were a first approac作者: Digitalis 時間: 2025-4-1 04:54 作者: 刻苦讀書 時間: 2025-4-1 08:29
Applications to Nanoelectronics,k. Early models primarily considered long-term averages of short-term static processes. As I discuss below, recent modelers have proposed that animal decisions consider longer and more complicated time scales. The new models are more specific and more realistic in their representation of foraging be作者: 哀悼 時間: 2025-4-1 11:59
https://doi.org/10.1007/3-540-47710-1re and what to eat, is now well-established both in theory and empirically (see Stephens and Krebs 1986, Real and Caraco 1986 for recent reviews). While foraging models incorporating risk-sensitivity have been applied to a number of foraging situations (Real and Caraco 1986), the commonest scenario 作者: OVER 時間: 2025-4-1 15:10
Applications to Nanoelectronics,forced by prey encounters, but forgotten in their absence, foragers may become more efficient at dealing with specific prey when these are abundant (Cunningham and Hughes 1984). As a result, prey profitabilities could be transposed in rank, perhaps causing a switch of diet (Hughes 1979).作者: 貪婪性 時間: 2025-4-1 18:59 作者: 場所 時間: 2025-4-1 23:01
Boris M. Miller,Evgeny Ya. Rubinovichdiets) in nature, than any other ecological theory (Schoener 1986, Stephens and Krebs 1986). This is not to say that OFT has been accepted without reservation, nor that the predictive successes of the theory are unambiguous (Gray 1986, Pierce and Ollason 1987). Two major complaints about OFT studies
