Volume 4 Issue 2, February 2020

Volume 4 Issue 2

Evolutionary novelties

Many arthropod morphological novelties originate as outgrowths of the body wall, and few are as spectacular as the helmets of treehoppers, such as the helicopter-like helmet of Bocydium globulare, depicted. However, comparative transcriptomics demonstrates that treehopper helmets evolved through co-option of the wing gene-regulatory network rather than through modification of the network of the body wall itself.

See Fisher et al.

Image: Piotr Naskrecki. Cover Design: Lauren Heslop.

Editorial

  • Editorial |

    Fires in Australia show the devastating interaction between climate and biodiversity emergencies, and make clear that action is needed at all levels.

Correspondence

  • Correspondence |

    • Jeffrey A. Harvey
    • , Robin Heinen
    • , Inge Armbrecht
    • , Yves Basset
    • , James H. Baxter-Gilbert
    • , T. Martijn Bezemer
    • , Monika Böhm
    • , Riccardo Bommarco
    • , Paulo A. V. Borges
    • , Pedro Cardoso
    • , Viola Clausnitzer
    • , Tara Cornelisse
    • , Elizabeth E. Crone
    • , Marcel Dicke
    • , Klaas-Douwe B. Dijkstra
    • , Lee Dyer
    • , Jacintha Ellers
    • , Thomas Fartmann
    • , Mathew L. Forister
    • , Michael J. Furlong
    • , Andres Garcia-Aguayo
    • , Justin Gerlach
    • , Rieta Gols
    • , Dave Goulson
    • , Jan-Christian Habel
    • , Nick M. Haddad
    • , Caspar A. Hallmann
    • , Sérgio Henriques
    • , Marie E. Herberstein
    • , Axel Hochkirch
    • , Alice C. Hughes
    • , Sarina Jepsen
    • , T. Hefin Jones
    • , Bora M. Kaydan
    • , David Kleijn
    • , Alexandra-Maria Klein
    • , Tanya Latty
    • , Simon R. Leather
    • , Sara M. Lewis
    • , Bradford C. Lister
    • , John E. Losey
    • , Elizabeth C. Lowe
    • , Craig R. Macadam
    • , James Montoya-Lerma
    • , Christopher D. Nagano
    • , Sophie Ogan
    • , Michael C. Orr
    • , Christina J. Painting
    • , Thai-Hong Pham
    • , Simon G. Potts
    • , Aunu Rauf
    • , Tomas L. Roslin
    • , Michael J. Samways
    • , Francisco Sanchez-Bayo
    • , Sim A. Sar
    • , Cheryl B. Schultz
    • , António O. Soares
    • , Anchana Thancharoen
    • , Teja Tscharntke
    • , Jason M. Tylianakis
    • , Kate D. L. Umbers
    • , Louise E. M. Vet
    • , Marcel E. Visser
    • , Ante Vujic
    • , David L. Wagner
    • , Michiel F. WallisDeVries
    • , Catrin Westphal
    • , Thomas E. White
    • , Vicky L. Wilkins
    • , Paul H. Williams
    • , Kris A. G. Wyckhuys
    • , Zeng-Rong Zhu
    •  & Hans de Kroon

Comment & Opinion

  • Obituary |

    Conservationist who changed how we think about threats to biodiversity.

    • Stuart L. Pimm
    •  & Peter H. Raven

News & Views

  • News & Views |

    Analysis of niche related morphological traits in nearly 10,000 species of birds shows concordance between phenotypic traits and trophic function. Avian trophic niche space can be described by only two to four dimensions, with the occurrence of similar adaptive morphologies primarily driven by convergent evolution.

    • Matthew J. Larcombe

Reviews

  • Perspective |

    Expert elicitation methods identify a set of essential ecological variables that may be used to guide effective conservation and management of the deep sea.

    • Roberto Danovaro
    • , Emanuela Fanelli
    • , Jacopo Aguzzi
    • , David Billett
    • , Laura Carugati
    • , Cinzia Corinaldesi
    • , Antonio Dell’Anno
    • , Kristina Gjerde
    • , Alan J. Jamieson
    • , Salit Kark
    • , Craig McClain
    • , Lisa Levin
    • , Noam Levin
    • , Eva Ramirez-Llodra
    • , Henry Ruhl
    • , Craig R. Smith
    • , Paul V. R. Snelgrove
    • , Laurenz Thomsen
    • , Cindy L. Van Dover
    •  & Moriaki Yasuhara

Research

  • Article |

    Exposing experimental lines of microalgae to random fluctuations in salinity, the authors show that environmental autocorrelation strongly influences population growth and extinction risk, with accurate predictions only possible when the impact of past environments is taken into account.

    • Marie Rescan
    • , Daphné Grulois
    • , Enrique Ortega-Aboud
    •  & Luis-Miguel Chevin
  • Article |

    Combining Earth observation data and dynamic global vegetation models, the authors show that anthropogenic land use and land cover change has caused a reduction in the contribution to the terrestrial carbon sink for tropical forests but an increase for boreal forests between 1992 and 2015.

    • Torbern Tagesson
    • , Guy Schurgers
    • , Stéphanie Horion
    • , Philippe Ciais
    • , Feng Tian
    • , Martin Brandt
    • , Anders Ahlström
    • , Jean-Pierre Wigneron
    • , Jonas Ardö
    • , Stefan Olin
    • , Lei Fan
    • , Zhendong Wu
    •  & Rasmus Fensholt
  • Article |

    Combining field data from 83 sites on five continents, together with microcosm experiments, the authors show that nutrient cycling, decomposition, plant production and other ecosystem functions are positively associated with a higher diversity of a wide range of soil organisms.

    • Manuel Delgado-Baquerizo
    • , Peter B. Reich
    • , Chanda Trivedi
    • , David J. Eldridge
    • , Sebastián Abades
    • , Fernando D. Alfaro
    • , Felipe Bastida
    • , Asmeret A. Berhe
    • , Nick A. Cutler
    • , Antonio Gallardo
    • , Laura García-Velázquez
    • , Stephen C. Hart
    • , Patrick E. Hayes
    • , Ji-Zheng He
    • , Zeng-Yei Hseu
    • , Hang-Wei Hu
    • , Martin Kirchmair
    • , Sigrid Neuhauser
    • , Cecilia A. Pérez
    • , Sasha C. Reed
    • , Fernanda Santos
    • , Benjamin W. Sullivan
    • , Pankaj Trivedi
    • , Jun-Tao Wang
    • , Luis Weber-Grullon
    • , Mark A. Williams
    •  & Brajesh K. Singh
  • Article |

    Quantifying bacterial load in plant leaves, the authors show that insect herbivory can cause compositional shifts in bacterial community structure, primarily by enhancing the growth of putative phytopathogens. Across a native host population, insect–bacteria co-infection load is highly clustered and associated with lower plant fitness.

    • Parris T. Humphrey
    •  & Noah K. Whiteman

    Collection:

  • Article |

    Predicting ecological niche space and ecosystem function from morphological traits is challenging. Here, the authors show that avian trophic diversity can be reduced to four dimensions, based on nine key morphological traits, which reflects convergence of trait combinations.

    • Alex L. Pigot
    • , Catherine Sheard
    • , Eliot T. Miller
    • , Tom P. Bregman
    • , Benjamin G. Freeman
    • , Uri Roll
    • , Nathalie Seddon
    • , Christopher H. Trisos
    • , Brian C. Weeks
    •  & Joseph A. Tobias
  • Article |

    A supergene controlling social behaviour arose in the common ancestor of six ant species by the sequential incorporation of three inversions.

    • Zheng Yan
    • , Simon H. Martin
    • , Dietrich Gotzek
    • , Samuel V. Arsenault
    • , Pablo Duchen
    • , Quentin Helleu
    • , Oksana Riba-Grognuz
    • , Brendan G. Hunt
    • , Nicolas Salamin
    • , DeWayne Shoemaker
    • , Kenneth G. Ross
    •  & Laurent Keller
  • Article |

    Left–right symmetry in vertebrates is established during development by different mechanisms, including motile cilia. Here, the authors show asymmetric expression of a Nodal paralogue in the left–right organizer in two reptilian embryos, which do not have motile cilia.

    • Eriko Kajikawa
    • , Uzuki Horo
    • , Takahiro Ide
    • , Katsutoshi Mizuno
    • , Katsura Minegishi
    • , Yuichiro Hara
    • , Yayoi Ikawa
    • , Hiromi Nishimura
    • , Masanori Uchikawa
    • , Hiroshi Kiyonari
    • , Shigehiro Kuraku
    •  & Hiroshi Hamada

Amendments & Corrections

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