Ecology articles within Nature Communications

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  • Article |

    It has been proposed that phylogenetic diversity can be used as a proxy to estimate functional diversity and to predict ecosystem functioning. Here, the rapid evolutionary response of marine bacteria is used to study the positive effects of evolutionary history and species diversity on ecosystem productivity.

    • Dominique Gravel
    • , Thomas Bell
    •  & Nicolas Mouquet

  • Article |

    Humans, with their opposable thumbs, are not the only species with tool-related morphological adaptations. This study shows that tool use in New Caledonian crows is facilitated by a straight bill, enabling a firm grip on tools, and an extremely wide binocular field, affording excellent visual feedback.

    • Jolyon Troscianko
    • , Auguste M.P. von Bayern
    •  & Graham R. Martin

  • Article |

    The analysis of food web properties under different environmental conditions informs us how the ecosystem functions. Here, Tunneyet al. use post-glacial lakes as model ecosystems to show how macroscopic patterns of food webs vary with changes in habitat and resource accessibility.

    • Tyler D. Tunney
    • , Kevin S. McCann
    •  & Brian J. Shuter

  • Article |

    Sex pheromones are used by adult members of a species to attract a mate. This study proposes that the larvae of the cotton leafwormSpodoptera littoralisare attracted to sex pheromones and prefer a food source containing it, suggesting an alternative use of the sex pheromone to trigger food search in caterpillars.

    • Erwan Poivet
    • , Kacem Rharrabe
    •  & Emmanuelle Jacquin-Joly

  • Article |

    Methane is an important anthropogenic greenhouse gas and is thought to be produced by industrial processes and prokaryotic methanogenic Archaea. In this study, the saprotrophic fungi,Basidiomycetes, is shown to produce methane in the absence of methanogenic Archaea.

    • Katharina Lenhart
    • , Michael Bunge
    •  & Frank Keppler

  • Article
    | Open Access

    Whether humans are the only animals with cultural behaviour remains an open question in behavioural research. Here, a network analysis of the social preferences among bottlenose dolphins in Shark Bay, Australia finds that tool-using dolphins prefer others like themselves, suggesting the presence of cultural behaviour.

    • Janet Mann
    • , Margaret A. Stanton
    •  & Lisa O. Singh

  • Article
    | Open Access

    Beringian mammoths were abundant 45,000 to 30,000 years ago, but then experienced a long decline in concert with changes in climate, habitat and human presence. This study uses14C dating to trace their spatio temporal pattern of extinction until the loss of final island populations about 4,000 years ago.

    • G.M. MacDonald
    • , D.W. Beilman
    •  & B. Van Valkenburgh

  • Article |

    Ecological factors impact cooperative and competitive behaviour, creating social conflict. Here, predictions from a game-theory model together with observations of Taiwan yuhinas—a joint-nesting species where group members are unrelated—show that these birds are more cooperative in unfavourable environmental conditions.

    • Sheng-Feng Shen
    • , Sandra L. Vehrencamp
    •  & Hsiao-Wei Yuan

  • Article
    | Open Access

    Catch certificates and eco-labels are used to control illegal fishing worldwide, however, independent control methods are needed. Here, gene-associated SNPs are used to assign individual marine fish back to their population of origin with high precision, with potential application for illegal fishing control.

    • Einar E. Nielsen
    • , Alessia Cariani
    •  & Gary R. Carvalho

  • Article
    | Open Access

    Fungus-growing ants cultivate fungi for food, but it is unclear whether single ant and fungal species are exclusive to one another. This study ofC. wheeleriants and their fungi shows that each ant species has been associated with a single fungal cultivar species for millions of years and that ant speciation coincides with shifts in fungal use.

    • Natasha J. Mehdiabadi
    • , Ulrich G. Mueller
    •  & Ted R. Schultz

  • Article
    | Open Access

    Vascular plants with root systems evolved in the mid-Palaeozoic with symbiotic fungi. Fieldet al. show that in contrast to non-vascular plants lacking roots, the efficiency of plant–fungal symbiosis increased for vascular plants with root systems as carbon dioxide levels declined in the mid-Palaeozoic.

    • Katie J. Field
    • , Duncan D. Cameron
    •  & David J. Beerling

  • Article |

    Dinosaurs became extinct 65 million years ago due to volcanism and a bolide impact, but whether their numbers were already declining is still not clear. This study calculates the morphological disparity of seven dinosaur subgroups, showing that at least some groups were in a long-term decline before the extinction.

    • Stephen L. Brusatte
    • , Richard J. Butler
    •  & Mark A. Norell

  • Article
    | Open Access

    The large virus family,Paramyxoviridae, includes several human and livestock viruses. This study, testing 119 bat and rodent species distributed globally, identifies novel putative paramyxovirus species, providing data with potential uses in predictions of the emergence of novel paramyxoviruses in humans and livestock.

    • Jan Felix Drexler
    • , Victor Max Corman
    •  & Christian Drosten

  • Article |

    A record of the daily light cycle in tropical regions is difficult to extract from biogenic marine carbonates such as shells. Here, the precise analysis of Sr/Ca ratios is shown in a cultivated giant clam shell, revealing variations that reflect the daily light cycle and the potential for future development of a proxy.

    • Yuji Sano
    • , Sayumi Kobayashi
    •  & Kenji Iwai

  • Article |

    Understanding the environmental controls of past wildfires is difficult due to the lack of records of weather or vegetation. This study shows, using cross-scale analysis, how power laws associated with fire-event time series can identify critical thresholds in landscape dynamics in a rapidly changing climate.

    • Donald McKenzie
    •  & Maureen C. Kennedy

  • Article |

    Empirical data suggest that species abundance distributions can have multiple modes, which is not predicted by existing theories. This study shows that the multimodal pattern is consistent with emergent neutrality, suggesting this theory could have a role in shaping natural communities.

    • Remi Vergnon
    • , Egbert H. van Nes
    •  & Marten Scheffer

  • Article
    | Open Access

    The Mid-Cayman Spreading Centre is an ultraslow-spreading mid-ocean ridge in the Caribbean. This study reveals two hydrothermal vent fields on the ridge, including high-temperature vents on an off-axis oceanic core complex where, similar to Mid-Atlantic vents, an alvinocaridid shrimp is common at both vent fields.

    • Douglas P. Connelly
    • , Jonathan T. Copley
    •  & Sally Wilcox

  • Article |

    The habitat where early humans, hominins, lived provides information about the early part of human evolution. In this study, sedimentological and stable carbon and oxygen isotope data suggest homininArdipithecus ramiduslived in a river-margin forest in a wooded grassland landscape at Aramis, Ethiopia.

    • M. Royhan Gani
    •  & Nahid D. Gani

  • Article |

    Human children use referential gestures such as showing, offering and pointing, which are thought to form the foundation of language skills. Here, evidence is provided of ravens (Corvus corax) using showing and offering to direct other's attention, as an example of referential gesturing in a non-primate lineage.

    • Simone Pika
    •  & Thomas Bugnyar

  • Article |

    The health benefits of massage therapy, like the reduction of stress, have so far only been shown in humans. This study uses modelling to demonstrate that, while visiting cleaner fish to have ectoparasites removed, the physical stimulation also acts to reduce stress in the coral reef fish,Ctenochaetus striatus.

    • Marta C. Soares
    • , Rui F. Oliveira
    •  & Redouan Bshary

  • Article |

    Peatlands are a sink for atmospheric carbon dioxide and make up a large soil carbon reservoir. Here, studies of the interaction between drainage and fire show that long-term carbon emissions will likely exceed rates of carbon uptake, reducing the northern peatland carbon sink.

    • M.R. Turetsky
    • , W.F. Donahue
    •  & B.W. Benscoter

  • Article |

    Small endothermic animals often drop their body temperature—a process known as heterothermy—to conserve energy. This study demonstrates heterothermy in king penguin chicks (Aptenodytes patagonicus), a finding unexpected for such large birds, but which may account for the chicks’ fasting capacity of five months.

    • Götz Eichhorn
    • , René Groscolas
    •  & Yves Handrich

  • Article |

    Many organisms are responding to a warming climate by shifts in spatial distribution. The poleward movement of silver hake,Merluccius bilinearis, over the last forty years is related to the position of the Gulf Stream and Atlantic meridional overturning circulation through changes in local bottom water temperature.

    • Janet A. Nye
    • , Terrence M. Joyce
    •  & Jason S. Link

  • Article
    | Open Access

    Dissolved organic matter, the main form of aquatic organic carbon, supports the aquatic food web and regulates light penetration in lakes. This study probes the main influences on the optical properties of dissolved organic matter in a global dataset of alpine and remote lakes revealing latitudinal trends.

    • N. Mladenov
    • , R. Sommaruga
    •  & I. Reche

  • Article |

    Why some species have evolved to produce sterile individuals working for the benefit of others has yet to be fully explained. Now, a mathematical model of the dynamics of insect colony foundation, growth and death shows that monogamy and haplodiploidy facilitate the evolution of this societal structure.

    • Lutz Fromhage
    •  & Hanna Kokko

  • Article |

    Through fine-root nutrient chemistry, it is possible to study ecosystem-scale biogeochemical cycling. Compiling data from 211 studies measuring nitrogen and phosphorus in plant roots, Yuanet al. find that tropical ecosystems are more phosphorous-limited than higher latitudes.

    • Z.Y. Yuan
    • , Han Y.H. Chen
    •  & Peter B. Reich

  • Article |

    Migratory segregation presents a hypothesized barrier to gene flow among seabirds, but its mechanisms are unclear. Rayneret al. find that migratory habitat specialization, associated with breeding asynchrony and philopatry, restricts gene flow between two seabird populations migrating across the Pacific Ocean.

    • Matt J. Rayner
    • , Mark E. Hauber
    •  & Scott A. Shaffer

  • Article |

    The cryptic Wood White butterflies,Leptidea sinapis and Leptidea reali, represent a model for the study of speciation. Dincă et al. use DNA and chromosome data to show that this group, in fact, consists of a triplet of species, a result that provides a new perspective on cryptic biodiversity.

    • Vlad Dincă
    • , Vladimir A. Lukhtanov
    •  & Roger Vila

  • Article
    | Open Access

    Global darkness from an asteroid impact 65.5 million years ago led to massive extinction of oceanic phytoplankton, but coastal groups survived. Ribeiroet al.revive coastal dinoflagellates after a century of dormancy, suggesting phytoplankton survived the extinction and helped restore photosynthesis in the ocean.

    • Sofia Ribeiro
    • , Terje Berge
    •  & Marianne Ellegaard

  • Article
    | Open Access

    Plasmids are present in many bacteria and are often transferred between different species causing horizontal gene transfer. By comparing the sequences of 25 plasmid DNA backbones, the authors show that homologous recombination is prevalent in plasmids and that the plasmids have adapted to persist in different host bacteria.

    • Peter Norberg
    • , Maria Bergström
    •  & Malte Hermansson

  • Article
    | Open Access

    The presence of earthworms is known to enhance the quality and moisture of soil in cool and wet climates. Evanset al. show that termites and ants can improve soil quality in warmer and drier climates—their presence results in elevated water infiltration and nitrogen content, leading to increased wheat yields.

    • Theodore A. Evans
    • , Tracy Z. Dawes
    •  & Nathan Lo

  • Article |

    Storm water runoff and wastewater effluent are discharged into oceans, but the full ecological effects of these discharges are unknown. Here, the authors examine the population structure of a marine organism, the bat star, and show that these discharges alter the genetic structure and larval dispersal of this species.

    • Jonathan B. Puritz
    •  & Robert J. Toonen

  • Article |

    Ocean acidification due to increasing carbon dioxide levels can affect the growth and viability of corals. In this study, the authors measured extension, calcification and density in Florida corals collected in 1996, and show that recent climate change did not cause a decline in their extension or calcification.

    • Kevin P. Helmle
    • , Richard E. Dodge
    •  & C. Mark Eakin

  • Article
    | Open Access

    Organisms are expected to adapt to climate change because of selection pressures. Here, the authors demonstrate that brown morphs of Finnish owls are selected against in winters with plentiful snow, and concordantly, increasing winter temperatures and lower snow fall results in the selection of the brown morph.

    • Patrik Karell
    • , Kari Ahola
    •  & Jon E. Brommer

  • Article
    | Open Access

    The infectious prion diseases affect numerous hoofed animal species, and it has been suggested that the properties of the local soil affect transmission of these diseases. Here, the authors studied two North American locations and demonstrate that soil clay content can influence the infection rate in deer.

    • W. David Walter
    • , Daniel P. Walsh
    •  & Michael W. Miller

  • Article |

    Proteorhodopsin is used by prokaryotes to generate energy from light. In this study, the authors describe a prokaryote-to-eukaryote horizontal gene transfer of a bacterial proteorhodopsin gene to dinoflagellates, suggesting that these eukaryotes can also use proteorhodopsin to obtain light and produce energy.

    • Claudio H. Slamovits
    • , Noriko Okamoto
    •  & Patrick J. Keeling

  • Article
    | Open Access

    Predicting ecological impacts of climate change is complicated, because key biological parameters are unknown for future conditions. Using a mechanistic energy budget model to relate sea ice to polar bear reproduction, Molnáret al.predict decreases in litter size with anticipated changes in sea ice.

    • Péter K. Molnár
    • , Andrew E. Derocher
    •  & Mark A. Lewis

  • Article
    | Open Access

    Little is known about the reproductive ecology of freshwater eels. In this article, the authors describe the capture of two species of eels together with eggs and newly hatched larvae, and suggest that spawning takes place during the new moon at shallower depths than previously thought.

    • Katsumi Tsukamoto
    • , Seinen Chow
    •  & Hideki Tanaka

  • Article
    | Open Access

    Microorganisms are abundant in many environments and understanding their dispersal between ecosystems is important for ecology and conservation. These authors demonstrate that cyanobacterial populations are specific to hot or cold deserts and that gene flow between different populations does not occur.

    • Justin Bahl
    • , Maggie C. Y. Lau
    •  & Stephen B. Pointing

  • Article
    | Open Access

    A single gene results in either dextral or sinistral snail shell coiling and snails with different coils cannot copulate. Here, the authors provide evidence of how such an allele can become fixed in a population by showing that snails with a counterclockwise sinistral coil are protected from predators.

    • Masaki Hoso
    • , Yuichi Kameda
    •  & Michio Hori

  • Article |

    Continental export of silicon to the coast is linked to ocean carbon sinks, but terrestrial silicon fluxes have not been quantified. Here, human deforestation and cultivation of the landscape are shown to be the most important factors in silicon mobilization in temperate European watersheds.

    • Eric Struyf
    • , Adriaan Smis
    •  & Patrick Meire

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