Ecology articles within Nature Communications

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  • 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

  • Article
    | Open Access

    The Arctic Mid-Ocean Ridge spreads extremely slowly and hydrothermal vent fields have not been reported in its vicinity. Pedersenet al. describe a black smoker vent field with large hydrothermal deposits and novel fauna distinct from those found in similar environments in the Atlantic.

    • Rolf B. Pedersen
    • , Hans Tore Rapp
    •  & Steffen L. Jorgensen

  • Article |

    Invasive species are usually thought to originate from outside a country's borders. Here, using a self-organizing map, Paini and co-workers show that the species most likely to 'invade' the USA are already firmly established within the country, suggesting the need for biosecurity measures within national borders.

    • Dean R. Paini
    • , Susan P. Worner
    •  & Matthew B. Thomas

  • Article
    | Open Access

    Little is known about the way bats recognize large objects, such as trees, buildings or a lake. Greif and Siemers show that bodies of water are recognized solely by echolocation, and that this ability is innate, thus smooth surfaces are recognized as water by naive juvenile bats.

    • Stefan Greif
    •  & Björn M. Siemers

  • Article |

    Symbiotic fungi are thought to have assisted plants in their colonization of the land. In this study, it is shown that mycorrhizal fungi symbiosis with liverwort, a member of an ancient clade of land plants, promotes photosynthetic carbon uptake and growth, supporting the role of fungi in 'the greening of the Earth'.

    • Claire P. Humphreys
    • , Peter J. Franks
    •  & David J. Beerling

  • Article
    | Open Access

    Recent work has shown that the transmission of malaria from mosquito to human is inefficient. In this study, an analysis of published literature is used to understand this inefficiency, which is likely due to heterogeneous biting, where 20% of people receive 80% of the bites.

    • David L. Smith
    • , Chris J. Drakeley
    •  & Simon I. Hay

  • Article
    | Open Access

    Recent developments in sequencing technologies have provided the opportunity to investigate the biodiversity of ecosystems. Such a metagenomic approach, combined with taxon clustering, is used here to demonstrate that the species richness of a marine community in Scotland is much greater than anticipated.

    • Vera G. Fonseca
    • , Gary R. Carvalho
    •  & Simon Creer

  • Article |

    The bar-tailed godwit departs from New Zealand for breeding sites in Alaska. Here, using geolocators, godwits are shown to time their migration depending on the latitude of their breeding site in Alaska; early migrators locate in the south of Alaska, whereas later birds breed in the North.

    • Jesse R. Conklin
    • , Phil F. Battley
    •  & James W. Fox

  • Article |

    Global vegetation models are too coarse to predict climate change effects at the hillslope level. Using high-resolution LiDAR, the authors explore the three-dimensional structure and vegetation of an African savanna, and suggest that finer hydrogeomorphological features will shape future climate effects.

    • Shaun R. Levick
    • , Gregory P. Asner
    •  & David E. Knapp

  • Article
    | Open Access

    Spotted hyaenas live in clans with a hierarchy of females with different social ranks. In this paper, the sons of high-ranking female hyaenas are shown to have greater fitness than sons born of mothers of medium and low rank. This study highlights the importance of maternal effects in evolution.

    • Oliver P. Höner
    • , Bettina Wachter
    •  & Marion L. East

  • Article
    | Open Access

    Female water striders have evolved a strategy to control the frequency of copulation. In this article, male water striders are shown to attract predators during copulation to coerce the female into yielding more quickly. These findings demonstrate how adaptive behaviour may be influenced by predation.

    • Chang S. Han
    •  & Piotr G. Jablonski

  • Article |

    The spatial distribution and parameters that affect soil microorganism communities are largely unknown. In this study, bacterial communities up to 240 metres apart are shown to be similar and are affected by soil pH, plant abundance and snow depth.

    • Andrew J. King
    • , Kristen R. Freeman
    •  & Steven K. Schmidt

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