Delayed density dependence and oscillatory population dynamics in overlapping-generation systems of a seed beetle Callosobruchus chinensis: matrix population model.


:Long-term experimental systems with overlapping generations using a seed beetle, Callosobruchus chinensis, were maintained by providing 5 g of azuki beans (Vigna angularis) in two different renewal intervals: either 7 days or 10 days. The 7-day-renewal system (system 1) showed oscillatory dynamics with a constant periodic cycle of ca. 7 weeks. More stable population dynamics were seen in the 10-day-interval system (system 2). Short-term experiments showed that survivorship of adults increased with higher adult density, and that the survival rate of adults up to the age of 7 days was much higher than up to 10 days of age. In addition, the per capita production of hatched eggs by females which had survived for 7 days increased with increasing density experienced by the females. Females aged 10 days rarely laid eggs which hatched. We constructed a matrix population model based on either 1 week for system 1 or 10 days for system 2. The model included five stages in system 1: the hatched egg, the final instar larva, the pupa, the young adult and the old adult. Four stages were incorporated in the model for system 2: the young instar larva, the pupa, the young adult, and the old adult. Logistic-difference equations were applied to formulate both overcompensatory density dependence in the hatched-egg production by adults and undercompensatory response in the larval development up to the pupa. The survivorship of young adults to the old stage and the per capita hatched-egg productivity of the old females followed a linear regression against the young adult density. Inside-bean processes were adjusted to be equivalent in the two models, irrespective of the resource renewal intervals. The model predicted that system 1 would oscillate for a long time but that system 2 would rapidly converge to the equilibrium point. Multiplicative effects of both the delayed density dependence through interstage restraint effects and the overcompensatory density dependence in hatched-egg production generated various dynamic patterns ranging from a quickly disappearing damped oscillation to stable limit cycles in system 1. The relationship between resource renewal cycles and delayed density dependence was discussed based on these simulations.






Shimada M,Tuda M




Has Abstract


1996-01-01 00:00:00














  • Plant litter feedback and population dynamics in an annual plant, Cardamine pensylvanica.

    abstract::The presence of litter has the potential to alter the population dynamics of plants. In this paper, we explore the effects of litter on population dynamics using a simple experimental laboratory system with populations of the annual crucifer, Cardamine pensylvanica. Using a factorial experiment with four densities and...


    pub_type: 杂志文章


    authors: Molofsky J,Lanza J,Crone EE

    更新日期:2000-09-01 00:00:00

  • Decomposers and root feeders interactively affect plant defence in Sinapis alba.

    abstract::Aboveground herbivory is well known to change plant growth and defence. In contrast, effects of soil organisms, acting alone or in concert, on allocation patterns are less well understood. We investigated separate and combined effects of the endogeic earthworm species Aporrectodea caliginosa and the root feeding nemat...


    pub_type: 杂志文章


    authors: Lohmann M,Scheu S,Müller C

    更新日期:2009-05-01 00:00:00

  • Adaptive radiation of photosynthetic physiology in the Hawaiian lobeliads: dynamic photosynthetic responses.

    abstract::Hawaiian lobeliads have radiated into habitats from open alpine bogs to densely shaded rainforest interiors, and show corresponding adaptations in steady-state photosynthetic light responses and associated leaf traits. Shaded environments are not uniformly dark, however, but punctuated by sunflecks that carry most of ...


    pub_type: 杂志文章


    authors: Montgomery RA,Givnish TJ

    更新日期:2008-03-01 00:00:00

  • Seasonal variations in the stable oxygen isotope ratio of wood cellulose reveal annual rings of trees in a Central Amazon terra firme forest.

    abstract::In Amazonian non-flooded forests with a moderate dry season, many trees do not form anatomically definite annual rings. Alternative indicators of annual rings, such as the oxygen (δ(18)Owc) and carbon stable isotope ratios of wood cellulose (δ(13)Cwc), have been proposed; however, their applicability in Amazonian fore...


    pub_type: 杂志文章


    authors: Ohashi S,Durgante FM,Kagawa A,Kajimoto T,Trumbore SE,Xu X,Ishizuka M,Higuchi N

    更新日期:2016-03-01 00:00:00

  • Responses of Acilius sulcatus (Coleoptera: Dytiscidae) to chemical cues from perch (Perca fluviatilis).

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    pub_type: 杂志文章


    authors: Åbjörnsson K,Wagner BM,Axelsson A,Bjerselius R,Olsén KH

    更新日期:1997-07-01 00:00:00

  • Body size and ecological traits in fleas parasitic on small mammals in the Palearctic: larger species attain higher abundance.

    abstract::We studied the relationships between body size and (a) abundance and (b) host specificity in fleas parasitic on small mammals (rodents and shrews) in the Palearctic taking into account the confounding effect of phylogeny. We tested these relationships both across 127 flea species and within separate phylogenetic clade...


    pub_type: 杂志文章


    authors: Surkova EN,Warburton EM,van der Mescht L,Khokhlova IS,Krasnov BR

    更新日期:2018-10-01 00:00:00

  • Effects of available P and N:P ratios on non-symbiotic dinitrogen fixation in tallgrass prairie soils.

    abstract::Prescribed burning is a major control over element cycles in Tallgrass prairie (Eastern Kansas, USA). In this paper we report potential effects of fire on nonsymbiotic nitrogen fixation. Fire resulted in additions of available P in ash, which may stimulate nitrogen fixation by terrestrial cyanobacteria. Cyanobacterial...


    pub_type: 杂志文章


    authors: Eisele KA,Schimel DS,Kapustka LA,Parton WJ

    更新日期:1989-06-01 00:00:00

  • Branch and root formation in Trifolium repens is influenced by the light environment of unfolded leaves.

    abstract::In plagiotropic plants, axillary buds on the stolon can be exposed to low red:far-red (R:FR) ratios, while the leaves may be positioned in the uppermost layer of the sward where they are exposed to a high R:FR ratio. We tested whether the light environment of unfolded leaves influences outgrowth of the axillary buds a...


    pub_type: 杂志文章


    authors: Lötscher M,Nösberger J

    更新日期:1997-08-01 00:00:00

  • Characterising spatial and temporal variation in the finite rate of population increase across the northern range boundary of the annual grass Vulpia fasciculata.

    abstract::Understanding the factors that influence plant distributions is a considerable challenge for ecologists in the face of environmental change. Here, we quantify spatial and temporal variation in the finite rate of population increase of the annual grass Vulpia fasciculata. Specifically, we test the hypothesis that the n...


    pub_type: 杂志文章


    authors: Norton LR,Firbank LG,Scott A,Watkinson AR

    更新日期:2005-07-01 00:00:00

  • Changing leaf litter feedbacks on plant production across contrasting sub-arctic peatland species and growth forms.

    abstract::Plant species and growth forms differ widely in litter chemistry, which affects decay and may have important consequences for plant growth via e.g. the release of nutrients and growth-inhibitory compounds. We investigated the overall short-term (9.5 months) and medium-term (21.5 months) feedback effects of leaf litter...


    pub_type: 杂志文章


    authors: Dorrepaal E,Cornelissen JH,Aerts R

    更新日期:2007-03-01 00:00:00

  • Larval settlement of the common Australian sea urchin Heliocidaris erythrogramma in response to bacteria from the surface of coralline algae.

    abstract::Bacterial biofilms are increasingly seen as important for the successful settlement of marine invertebrate larvae. Here we tested the effects of biofilms on settlement of the sea urchin Heliocidaris erythrogramma. Larvae settled on many surfaces including various algal species, rocks, sand and shells. Settlement was r...


    pub_type: 杂志文章


    authors: Huggett MJ,Williamson JE,de Nys R,Kjelleberg S,Steinberg PD

    更新日期:2006-10-01 00:00:00

  • Growing and shrinking in the smallest tortoise, Homopus signatus signatus: the importance of rain.

    abstract::Climate change models predict that the range of the world's smallest tortoise, Homopus signatus signatus, will aridify and contract in the next decades. To evaluate the effects of annual variation in rainfall on the growth of H. s. signatus, we recorded annual growth rates of wild individuals from spring 2000 to sprin...


    pub_type: 杂志文章


    authors: Loehr VJ,Hofmeyr MD,Henen BT

    更新日期:2007-08-01 00:00:00

  • Thermal biology of the common garter snake Thamnophis sirtalis (L.) : II. The effects of melanism.

    abstract::The thermoregulatory significance of a striped-melanic colour polymorphism in the common garter snake, Thamnophis sirtalis, was assessed through a combination of labortory experimentation and field study. In experiments with living snakes the melanic morph maintained a higher body temperature than the striped morph, w...


    pub_type: 杂志文章


    authors: Ralph Gibson A,Bruce Falls J

    更新日期:1979-10-01 00:00:00

  • Quantitative food web analysis supports the energy-limitation hypothesis in cave stream ecosystems.

    abstract::Energy limitation has long been the primary assumption underlying conceptual models of evolutionary and ecological processes in cave ecosystems. However, the prediction that cave communities are actually energy-limited in the sense that constituent populations are consuming all or most of their resource supply is unte...


    pub_type: 杂志文章


    authors: Venarsky MP,Huntsman BM,Huryn AD,Benstead JP,Kuhajda BR

    更新日期:2014-11-01 00:00:00

  • Invasion of an intact plant community: the role of population versus community level diversity.

    abstract::To improve the understanding of how native plant diversity influences invasion, we examined how population and community diversity may directly and indirectly be related to invasion in a natural field setting. Due to the large impact of the dominant C(4) grass species (Andropogon gerardii) on invasion resistance of ta...


    pub_type: 杂志文章


    authors: Chang CC,Smith MD

    更新日期:2012-04-01 00:00:00

  • Mass or pace? Seasonal energy management in wintering boreal passerines.

    abstract::Research on winter energy management in small vertebrates has focused on the regulation of body mass (BM) within a framework of starvation-predation trade-off. Winter-acclimatized birds exhibit a seasonal increase in both BM and basal metabolic rate (BMR), although the patterns of co-variation between the two traits r...


    pub_type: 杂志文章


    authors: Broggi J,Nilsson JF,Koivula K,Hohtola E,Nilsson JÅ

    更新日期:2019-02-01 00:00:00

  • Nested bird and micro-habitat assemblages in a peatland archipelago.

    abstract::Biotic assemblages of insular habitats are nested when poor assemblages are subsets of richer ones. Nestedness of species assemblages is frequent and may result from selective extinction or frequent colonization in insular habitats. It may also be created by a nested distribution of habitats among islands or by sampli...


    pub_type: 杂志文章


    authors: Calmé S,Desrochers A

    更新日期:1999-03-01 00:00:00

  • Anpassung des Defäkationsverhaltens der Larven von Aleochara curtula Goeze an die raubparasitische Lebensweise im Calliphora-Puparium.

    abstract::1. The defecation behavior of the parasitoid larvae of Aleochara curtula in the Calliphora puparium was described. After occupation of the puparium the first-instar larva begins to defecate. With these excrements the larva closes the entry hole. Afterwards the first-instar larva as well as later the second-instar larv...


    pub_type: 杂志文章


    authors: Fuldner D,Pfenning R

    更新日期:1973-06-01 00:00:00

  • Experimentally induced clutch size enlargements affect reproductive success in the Pied Flycatcher.

    abstract::We performed a food provisioning experiment in a population of Pied Flycatchers Ficedula hypoleuca breeding at high altitude in central Spain to test if food availability before and during laying determines clutch size. Food was provided to one of two pairs with the same date of initiation of nest-building (15 dyads o...


    pub_type: 杂志文章


    authors: Sanz JJ,Moreno J

    更新日期:1995-08-01 00:00:00

  • Empirical analysis of the removal rate of periphyton by grazers.

    abstract::To establish a general model for the removal rate of periphyton by grazers, we identified 27 publications in which removal rates could be estimated from grazer enclosure or exclosure experiments. When all the measurements obtained under different experimental conditions were extracted, these publications provided 107 ...


    pub_type: 杂志文章


    authors: Cattaneo A,Mousseau B

    更新日期:1995-08-01 00:00:00

  • Thermal adaptation and acclimation of higher plants at the enzyme level: kinetic properties of NAD malate dehydrogenase and glutamate oxaloacetate transaminase in two genotypes of Arabidopsis thaliana (Brassicaceae).

    abstract::Kinetic properties of NAD malate dehydrogenase (MDH) and glutamate oxaloacetate transaminase (GOT) were analyzed in two genotypes of Arabidopsis thaliana collected in two sites of contrasting climates. Plants from each genotype were acclimated under controlled conditions at four different thermoperiods: 5-10° C, 7-15°...


    pub_type: 杂志文章


    authors: Simon JP,Potvin C,Blanchard MH

    更新日期:1983-11-01 00:00:00

  • Thiol content of spruce needles at forest limits.

    abstract::We determined the water-soluble thiol (SH) content and the osmolality of the cell sap in spruce trees of both low- and high-altitude origin that were transplanted to two test areas at different altitudes (400 m and 1700 m). There was little or no significant difference in SH content and osmotic value between trees of ...


    pub_type: 杂志文章


    authors: Grill D,Pfeifhofer H,Tschulik A,Hellig K,Holzer K

    更新日期:1988-07-01 00:00:00

  • Der einfluß der temperatur auf eidiapause und entwicklung von Weichwanzen (Heteroptera, Miridae).

    abstract::Leptopterna dolobrata (L.) (Holarctis) and Calocoris roseomaculatus (De Geer) (Palaearctis) are single-brooded in the whole range of their distribution and hibernate in the egg stage. Both species are active only for 21/2 months, while the egg stage lasts over 9 months.The main food plants of Leptopterna are Dactylis ...


    pub_type: 杂志文章


    authors: Braune HJ

    更新日期:1971-09-01 00:00:00

  • Coevolution of pierid butterflies and their cruciferous foodplants : V. Habitat selection, community structure and speciation.

    abstract::Early models of hostplant exploitation by phytophagous insects suffer from unwarranted assumptions and may not be generally applicable. Wordmodels of the co-evolutionary approach may assume unwarranted evolutionary stability in 'strategic' explanations, whilst mathematical models derived from earlier optimal-diet stud...


    pub_type: 杂志文章


    authors: Courtney SP

    更新日期:1982-01-01 00:00:00

  • How important is individual foraging specialisation in invasive predators for native-prey population viability?

    abstract::Predation by invasive species is a major threat to the persistence of naïve prey. Typically, this negative effect is addressed by suppressing the population size of the invasive predator to a point where the predation pressure does not hinder the viability of the prey. However, this type of intervention may not be eff...


    pub_type: 杂志文章


    authors: García-Díaz P,Binny RN,Anderson DP

    更新日期:2021-01-08 00:00:00

  • Differentiation and adaptation in Brassica nigra populations: interactions with related herbivores.

    abstract::Local adaptation and population differentiation of plants are well documented, but studies on interactions with natural enemies are rare. In particular, evidence for plant adaptation to the local biotic environment, such as herbivores remains poor. We used the black mustard Brassica nigra, an annual species of river v...


    pub_type: 杂志文章


    authors: Bischoff A,Trémulot S

    更新日期:2011-04-01 00:00:00

  • Characterizing fine-root traits by species phylogeny and microbial symbiosis in 11 co-existing woody species.

    abstract::Understanding the differences in fine-root traits among different species is essential to gain a detailed understanding of resource conservation and acquisition strategies of plants. We aimed to explore whether certain root traits are consistent among subsets of species and characterize species together into meaningfu...


    pub_type: 杂志文章


    authors: Yahara H,Tanikawa N,Okamoto M,Makita N

    更新日期:2019-12-01 00:00:00

  • Survivorship of a declining population of southern elephant seals, Mirounga leonina, in relation to age, sex and cohort.

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    pub_type: 杂志文章


    authors: Pistorius PA,Bester MN,Kirkman SP

    更新日期:1999-11-01 00:00:00

  • The effect of canopy gaps on growth and morphology of seedlings of rain forest species.

    abstract::Growth and morphology of seedlings of ten tropical rain forest species were studied at Los Tuxtlas, Mexico. Seedlings were grown in three environmental conditions: the shaded forest understorey (FU, receiving 0.9-2.3% of the daily photosynthetic photon flux, PF, above the canopy), a small canopy gap of approx. 50 m2 (...


    pub_type: 杂志文章


    authors: Popma J,Bongers F

    更新日期:1988-05-01 00:00:00

  • Levels of antioxidants in rural and urban birds and their consequences.

    abstract::Numerous animals have successfully invaded urban habitats, although the factors associated with invasion success remain poorly understood. Urban areas are characterized by warmer microclimates, higher levels of primary productivity, longer breeding seasons and higher levels of pollutants. All these factors should caus...


    pub_type: 杂志文章


    authors: Møller AP,Erritzøe J,Karadas F

    更新日期:2010-05-01 00:00:00