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BMC Ecology

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https://www.readbyqxmd.com/read/28245831/puumala-hantavirus-infections-in-bank-vole-populations-host-and-virus-dynamics-in-central-europe
#1
Daniela Reil, Ulrike M Rosenfeld, Christian Imholt, Sabrina Schmidt, Rainer G Ulrich, Jana A Eccard, Jens Jacob
BACKGROUND: In Europe, bank voles (Myodes glareolus) are widely distributed and can transmit Puumala virus (PUUV) to humans, which causes a mild to moderate form of haemorrhagic fever with renal syndrome, called nephropathia epidemica. Uncovering the link between host and virus dynamics can help to prevent human PUUV infections in the future. Bank voles were live trapped three times a year in 2010-2013 in three woodland plots in each of four regions in Germany. Bank vole population density was estimated and blood samples collected to detect PUUV specific antibodies...
February 28, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28245824/alternative-reproductive-tactics-and-inverse-size-assortment-in-a-high-density-fish-spawning-aggregation
#2
Rucha Karkarey, Amod Zambre, Kavita Isvaran, Rohan Arthur
BACKGROUND: At high densities, terrestrial and marine species often employ alternate reproductive tactics (ARTs) to maximize reproductive benefits. We describe ARTs in a high-density and unfished spawning aggregation of the squaretail grouper (Plectropomus areolatus) in Lakshadweep, India. RESULTS: As previously reported for this species, territorial males engage in pair-courtship, which is associated with a pair-spawning tactic. Here, we document a previously unreported school-courtship tactic; where territorial males court multiple females in mid-water schools, which appears to culminate in a unique 'school-spawning' tactic...
February 28, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28241803/predator-cues-reduce-intraspecific-trait-variability-in-a-marine-dinoflagellate
#3
Sylke Wohlrab, Erik Selander, U John
BACKGROUND: Phenotypic plasticity is commonplace and enables an organism to respond to variations in the environment. Plastic responses often modify a suite of traits and can be triggered by both abiotic and biotic changes. Here we analysed the plastic response towards a grazer of two genotypes of the marine dinoflagellate Alexandrium fundyense, evaluated the similarity of this response and discuss potential strain-specific trade-offs. We compared the expression of the known inducible defensive traits paralytic shellfish toxin content, and chain length...
February 27, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28222712/shrubby-cinquefoil-dasiphora-fruticosa-l-rydb-mapping-in-northwestern-estonia-based-upon-site-similarities
#4
Kalle Remm, Liina Remm
BACKGROUND: Different methods have been used to map species and habitat distributions. In this paper, similarity-based reasoning-a methodological approach that has received less attention-was applied to estimate the distribution and coverage of Dasiphora fruticosa for the region in the Baltic states where grows the most abundant population of this species. METHODS: Field observations, after thinning to at least 50 m interval, included 1480 coverage estimations in the species presence locations and 8317 absence locations...
February 21, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28222708/wild-pollinators-enhance-oilseed-rape-yield-in-small-holder-farming-systems-in-china
#5
Yi Zou, Haijun Xiao, Felix J J A Bianchi, Frank Jauker, Shudong Luo, Wopke van der Werf
BACKGROUND: Insect pollinators play an important role in crop pollination, but the relative contribution of wild pollinators and honey bees to pollination is currently under debate. There is virtually no information available on the strength of pollination services and the identity of pollination service providers from Asian smallholder farming systems, where fields are small, and variation among fields is high. We established 18 winter oilseed rape (Brassica napus L.) fields along a large geographical gradient in Jiangxi province in China...
February 21, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28178961/sequential-above-and-belowground-herbivory-modifies-plant-responses-depending-on-herbivore-identity
#6
Dinesh Kafle, Anne Hänel, Tobias Lortzing, Anke Steppuhn, Susanne Wurst
BACKGROUND: Herbivore-induced changes in plant traits can cause indirect interactions between spatially and/or temporally separated herbivores that share the same host plant. Feeding modes of the herbivores is one of the major factors that influence the outcome of such interactions. Here, we tested whether the effects of transient aboveground herbivory for seven days by herbivores of different feeding guilds on tomato plants (Solanum lycopersicum) alters their interaction with spatially as well as temporally separated belowground herbivores...
February 8, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28166763/how-anthropogenic-changes-may-affect-soil-borne-parasite-diversity-plant-parasitic-nematode-communities-associated-with-olive-trees-in-morocco-as-a-case-study
#7
Nadine Ali, Johannes Tavoillot, Guillaume Besnard, Bouchaib Khadari, Ewa Dmowska, Grażyna Winiszewska, Odile Fossati-Gaschignard, Mohammed Ater, Mohamed Aït Hamza, Abdelhamid El Mousadik, Aïcha El Oualkadi, Abdelmajid Moukhli, Laila Essalouh, Ahmed El Bakkali, Elodie Chapuis, Thierry Mateille
BACKGROUND: Plant-parasitic nematodes (PPN) are major crop pests. On olive (Olea europaea), they significantly contribute to economic losses in the top-ten olive producing countries in the world especially in nurseries and under cropping intensification. The diversity and the structure of PPN communities respond to environmental and anthropogenic forces. The olive tree is a good host plant model to understand the impact of such forces on PPN diversity since it grows according to different modalities (wild, feral and cultivated olives)...
February 6, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28166755/testing-the-potential-significance-of-different-scion-rootstock-genotype-combinations-on-the-ecology-of-old-cultivated-olive-trees-in-the-southeast-mediterranean-area
#8
Oz Barazani, Yoni Waitz, Yizhar Tugendhaft, Michael Dorman, Arnon Dag, Mohammed Hamidat, Thameen Hijawi, Zohar Kerem, Erik Westberg, Joachim W Kadereit
BACKGROUND: A previous multi-locus lineage (MLL) analysis of SSR-microsatellite data of old olive trees in the southeast Mediterranean area had shown the predominance of the Souri cultivar (MLL1) among grafted trees. The MLL analysis had also identified an MLL (MLL7) that was more common among rootstocks than other MLLs. We here present a comparison of the MLL combinations MLL1 (scion)/MLL7 (rootstock) and MLL1/MLL1 in order to investigate the possible influence of rootstock on scion phenotype...
February 6, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28088215/non-associative-versus-associative-learning-by-foraging-predatory-mites
#9
Peter Schausberger, Stefan Peneder
BACKGROUND: Learning processes can be broadly categorized into associative and non-associative. Associative learning occurs through the pairing of two previously unrelated stimuli, whereas non-associative learning occurs in response to a single stimulus. How these two principal processes compare in the same learning task and how they contribute to the overall behavioural changes brought about by experience is poorly understood. We tackled this issue by scrutinizing associative and non-associative learning of prey, Western flower thrips Frankliniella occidentalis, by the predatory mite, Neoseiulus californicus...
January 14, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28068963/erratum-to-palaeoenvironmental-drivers-of-vertebrate-community-composition-in-the-belly-river-group-campanian-of-alberta-canada-with-implications-for-dinosaur-biogeography
#10
https://www.readbyqxmd.com/read/27927197/erratum-to-feeding-preferences-of-the-asian-elephant-elephas-maximus-in-nepal
#11
Raj Kumar Koirala, David Raubenheimer, Achyut Aryal, Mitra Lal Pathak, Weihong Ji
No abstract text is available yet for this article.
December 7, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27905931/a-temporal-assessment-of-nematode-community-structure-and-diversity-in-the-rhizosphere-of-cisgenic-phytophthora-infestans-resistant-potatoes
#12
Vilma Ortiz, Sinead Phelan, Ewen Mullins
BACKGROUND: Nematodes play a key role in soil processes with alterations in the nematode community structure having the potential to considerably influence ecosystem functioning. As a result fluctuations in nematode diversity and/or community structure can be gauged as a 'barometer' of a soil's functional biodiversity. However, a deficit exists in regards to baseline knowledge and on the impact of specific GM crops on soil nematode populations and in particular in regard to the impact of GM potatoes on the diversity of nematode populations in the rhizosphere...
December 1, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27899113/collapse-of-an-iconic-conifer-long-term-changes-in-the-demography-of-widdringtonia-cedarbergensis-using-repeat-photography
#13
J D M White, S L Jack, M T Hoffman, J Puttick, D Bonora, V Visser, E C February
BACKGROUND: Conifer populations appear disproportionately threatened by global change. Most examples are, however, drawn from the northern hemisphere and long-term rates of population decline are not well documented as historical data are often lacking. We use a large and long-term (1931-2013) repeat photography dataset together with environmental data and fire records to account for the decline of the critically endangered Widdringtonia cedarbergensis. Eighty-seven historical and repeat photo-pairs were analysed to establish 20th century changes in W...
November 30, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27855704/feeding-preferences-of-the-asian-elephant-elephas-maximus-in-nepal
#14
Raj Kumar Koirala, David Raubenheimer, Achyut Aryal, Mitra Lal Pathak, Weihong Ji
BACKGROUND: Nepal provides habitat for approximately 100-125 wild Asian elephants (Elephas maximus). Although a small proportion of the world population of this species, this group is important for maintaining the genetic diversity of elephants and conservation of biodiversity in this region. Knowledge of foraging patterns of these animals, which is important for understanding their habitat requirements and for assessing their habitat condition, is lacking for the main areas populated by elephants in Nepal...
November 17, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27846871/palaeoenvironmental-drivers-of-vertebrate-community-composition-in-the-belly-river-group-campanian-of-alberta-canada-with-implications-for-dinosaur-biogeography
#15
Thomas M Cullen, David C Evans
BACKGROUND: The Belly River Group of southern Alberta is one of the best-sampled Late Cretaceous terrestrial faunal assemblages in the world. This system provides a high-resolution biostratigraphic record of terrestrial vertebrate diversity and faunal turnover, and it has considerable potential to be a model system for testing hypotheses of dinosaur palaeoecological dynamics, including important aspects of palaeoecommunity structure, trophic interactions, and responses to environmental change...
November 15, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27842537/siberian-flying-squirrels-do-not-anticipate-future-resource-abundance
#16
Vesa Selonen, Ralf Wistbacka
BACKGROUND: One way to cope with irregularly occurring resources is to adjust reproduction according to the anticipated future resource availability. In support of this hypothesis, few rodent species have been observed to produce, after the first litter born in spring, summer litters in anticipation of autumn's seed mast. This kind of behaviour could eliminate or decrease the lag in population density normally present in consumer dynamics. We focus on possible anticipation of future food availability in Siberian flying squirrels, Pteromys volans...
November 14, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27765035/biovel-a-virtual-laboratory-for-data-analysis-and-modelling-in-biodiversity-science-and-ecology
#17
Alex R Hardisty, Finn Bacall, Niall Beard, Maria-Paula Balcázar-Vargas, Bachir Balech, Zoltán Barcza, Sarah J Bourlat, Renato De Giovanni, Yde de Jong, Francesca De Leo, Laura Dobor, Giacinto Donvito, Donal Fellows, Antonio Fernandez Guerra, Nuno Ferreira, Yuliya Fetyukova, Bruno Fosso, Jonathan Giddy, Carole Goble, Anton Güntsch, Robert Haines, Vera Hernández Ernst, Hannes Hettling, Dóra Hidy, Ferenc Horváth, Dóra Ittzés, Péter Ittzés, Andrew Jones, Renzo Kottmann, Robert Kulawik, Sonja Leidenberger, Päivi Lyytikäinen-Saarenmaa, Cherian Mathew, Norman Morrison, Aleksandra Nenadic, Abraham Nieva de la Hidalga, Matthias Obst, Gerard Oostermeijer, Elisabeth Paymal, Graziano Pesole, Salvatore Pinto, Axel Poigné, Francisco Quevedo Fernandez, Monica Santamaria, Hannu Saarenmaa, Gergely Sipos, Karl-Heinz Sylla, Marko Tähtinen, Saverio Vicario, Rutger Aldo Vos, Alan R Williams, Pelin Yilmaz
BACKGROUND: Making forecasts about biodiversity and giving support to policy relies increasingly on large collections of data held electronically, and on substantial computational capability and capacity to analyse, model, simulate and predict using such data. However, the physically distributed nature of data resources and of expertise in advanced analytical tools creates many challenges for the modern scientist. Across the wider biological sciences, presenting such capabilities on the Internet (as "Web services") and using scientific workflow systems to compose them for particular tasks is a practical way to carry out robust "in silico" science...
October 20, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27765030/a-century-of-morphological-variation-in-cyprinidae-fishes
#18
Stephen J Jacquemin, Mark Pyron
BACKGROUND: Aquatic habitats have been altered over the past century due to a variety of anthropogenic influences. Ecomorphology is an area of aquatic ecology that can both directly and indirectly assess the effects of habitat alterations on organisms. However, few studies have explored long term trends in morphological variation. Long term changes in morphology can potentially impact niche and ultimately contribute to organismal success and the ecosystem. Therefore, in this study we assessed long term morphological variation with body size, sex, time, and hydrology using museum collections of five species of Cyprinidae (Minnows) from lentic and lotic systems over the past 100 years to gain insight into long term patterns in morphology...
October 20, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27760541/insect-herbivory-in-a-mature-eucalyptus-woodland-canopy-depends-on-leaf-phenology-but-not-co2-enrichment
#19
Andrew N Gherlenda, Ben D Moore, Anthony M Haigh, Scott N Johnson, Markus Riegler
BACKGROUND: Climate change factors such as elevated atmospheric carbon dioxide concentrations (e[CO2]) and altered rainfall patterns can alter leaf composition and phenology. This may subsequently impact insect herbivory. In sclerophyllous forests insects have developed strategies, such as preferentially feeding on new leaf growth, to overcome physical or foliar nitrogen constraints, and this may shift under climate change. Few studies of insect herbivory at elevated [CO2] have occurred under field conditions and none on mature evergreen trees in a naturally established forest, yet estimates for leaf area loss due to herbivory are required in order to allow accurate predictions of plant productivity in future climates...
October 19, 2016: BMC Ecology
https://www.readbyqxmd.com/read/27737670/high-genetic-diversity-in-the-offshore-island-populations-of-the-tephritid-fruit-fly-bactrocera-dorsalis
#20
Chunyan Yi, Chunyan Zheng, Ling Zeng, Yijuan Xu
BACKGROUND: Geographic isolation is an important factor that limit species dispersal and thereby affects genetic diversity. Because islands are often small and surrounded by a natural water barrier to dispersal, they generally form discrete isolated habitats. Therefore, islands may play a key role in the distribution of the genetic diversity of insects, including flies. RESULTS: To characterize the genetic structure of island populations of Bactrocera dorsalis, we analyzed a dataset containing both microsatellite and mtDNA loci of B...
October 13, 2016: BMC Ecology
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