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1. Distance decay 2.0 - A global synthesis of taxonomic and functional turnover in ecological communities.

Author

Graco-Roza C, Aarnio S, Abrego N, Acosta ATR, Alahuhta J, Altman J, Angiolini C, Aroviita J, Attorre F, Baastrup-Spohr L, Barrera-Alba JJ, Belmaker J, Biurrun I, Bonari G, Bruelheide H, Burrascano S, Carboni M, Cardoso P, Carvalho JC, Castaldelli G, Christensen M, Correa G, Dembicz I, Dengler J, Dolezal J, Domingos P, Erös T, Ferreira CEL, Filibeck G, Floeter SR, Friedlander AM, Gammal J, Gavioli A, Gossner MM, Granot I, Guarino R, Gustafsson C, Hayden B, He S, Heilmann-Clausen J, Heino J, Hunter JT, Huszar VLM, Janišová M, Jyrkänkallio-Mikkola J, Kahilainen KK, Kemppinen J, Kozub Ł, Kruk C, Kulbiki M, Kuzemko A, Christiaan le Roux P, Lehikoinen A, Teixeira de Lima D, Lopez-Urrutia A, Lukács BA, Luoto M, Mammola S, Marinho MM, Menezes LS, Milardi M, Miranda M, Moser GAO, Mueller J, Niittynen P, Norkko A, Nowak A, Ometto JP, Ovaskainen O, Overbeck GE, Pacheco FS, Pajunen V, Palpurina S, Picazo F, Prieto JAC, Rodil IF, Sabatini FM, Salingré S, De Sanctis M, Segura AM, da Silva LHS, Stevanovic ZD, Swacha G, Teittinen A, Tolonen KT, Tsiripidis I, Virta L, Wang B, Wang J, Weisser W, Xu Y, and Soininen J

Abstract

Aim: Understanding the variation in community composition and species abundances (i.e., β-diversity) is at the heart of community ecology. A common approach to examine β-diversity is to evaluate directional variation in community composition by measuring the decay in the similarity among pairs of communities along spatial or environmental distance. We provide the first global synthesis of taxonomic and functional distance decay along spatial and environmental distance by analysing 148 datasets comprising different types of organisms and environments., Location: Global., Time Period: 1990 to present., Major Taxa Studied: From diatoms to mammals., Method: We measured the strength of the decay using ranked Mantel tests (Mantel r ) and the rate of distance decay as the slope of an exponential fit using generalized linear models. We used null models to test whether functional similarity decays faster or slower than expected given the taxonomic decay along the spatial and environmental distance. We also unveiled the factors driving the rate of decay across the datasets, including latitude, spatial extent, realm and organismal features., Results: Taxonomic distance decay was stronger than functional distance decay along both spatial and environmental distance. Functional distance decay was random given the taxonomic distance decay. The rate of taxonomic and functional spatial distance decay was fastest in the datasets from mid-latitudes. Overall, datasets covering larger spatial extents showed a lower rate of decay along spatial distance but a higher rate of decay along environmental distance. Marine ecosystems had the slowest rate of decay along environmental distances., Main Conclusions: In general, taxonomic distance decay is a useful tool for biogeographical research because it reflects dispersal-related factors in addition to species responses to climatic and environmental variables. Moreover, functional distance decay might be a cost-effective option for investigating community changes in heterogeneous environments., Competing Interests: The authors declare no conflicts of interest., (© 2022 The Authors. Global Ecology and Biogeography published by John Wiley & Sons Ltd.)

Published
2022
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2. Global COVID-19 lockdown highlights humans as both threats and custodians of the environment.

Author

Bates AE, Primack RB, Biggar BS, Bird TJ, Clinton ME, Command RJ, Richards C, Shellard M, Geraldi NR, Vergara V, Acevedo-Charry O, Colón-Piñeiro Z, Ocampo D, Ocampo-Peñuela N, Sánchez-Clavijo LM, Adamescu CM, Cheval S, Racoviceanu T, Adams MD, Kalisa E, Kuuire VZ, Aditya V, Anderwald P, Wiesmann S, Wipf S, Badihi G, Henderson MG, Loetscher H, Baerenfaller K, Benedetti-Cecchi L, Bulleri F, Bertocci I, Maggi E, Rindi L, Ravaglioli C, Boerder K, Bonnel J, Mathias D, Archambault P, Chauvaud L, Braun CD, Thorrold SR, Brownscombe JW, Midwood JD, Boston CM, Brooks JL, Cooke SJ, China V, Roll U, Belmaker J, Zvuloni A, Coll M, Ortega M, Connors B, Lacko L, Jayathilake DRM, Costello MJ, Crimmins TM, Barnett L, Denny EG, Gerst KL, Marsh RL, Posthumus EE, Rodriguez R, Rosemartin A, Schaffer SN, Switzer JR, Wong K, Cunningham SJ, Sumasgutner P, Amar A, Thomson RL, Stofberg M, Hofmeyr S, Suri J, Stuart-Smith RD, Day PB, Edgar GJ, Cooper AT, De Leo FC, Garner G, Des Brisay PG, Schrimpf MB, Koper N, Diamond MS, Dwyer RG, Baker CJ, Franklin CE, Efrat R, Berger-Tal O, Hatzofe O, Eguíluz VM, Rodríguez JP, Fernández-Gracia J, Elustondo D, Calatayud V, English PA, Archer SK, Dudas SE, Haggarty DR, Gallagher AJ, Shea BD, Shipley ON, Gilby BL, Ballantyne J, Olds AD, Henderson CJ, Schlacher TA, Halliday WD, Brown NAW, Woods MB, Balshine S, Juanes F, Rider MJ, Albano PS, Hammerschlag N, Hays GC, Esteban N, Pan Y, He G, Tanaka T, Hensel MJS, Orth RJ, Patrick CJ, Hentati-Sundberg J, Olsson O, Hessing-Lewis ML, Higgs ND, Hindell MA, McMahon CR, Harcourt R, Guinet C, Hirsch SE, Perrault JR, Hoover SR, Reilly JD, Hobaiter C, Gruber T, Huveneers C, Udyawer V, Clarke TM, Kroesen LP, Hik DS, Cherry SG, Del Bel Belluz JA, Jackson JM, Lai S, Lamb CT, LeClair GD, Parmelee JR, Chatfield MWH, Frederick CA, Lee S, Park H, Choi J, LeTourneux F, Grandmont T, de-Broin FD, Bêty J, Gauthier G, Legagneux P, Lewis JS, Haight J, Liu Z, Lyon JP, Hale R, D'Silva D, MacGregor-Fors I, Arbeláez-Cortés E, Estela FA, Sánchez-Sarria CE, García-Arroyo M, Aguirre-Samboní GK, Franco Morales JC, Malamud S, Gavriel T, Buba Y, Salingré S, Lazarus M, Yahel R, Ari YB, Miller E, Sade R, Lavian G, Birman Z, Gury M, Baz H, Baskin I, Penn A, Dolev A, Licht O, Karkom T, Davidzon S, Berkovitch A, Yaakov O, Manenti R, Mori E, Ficetola GF, Lunghi E, March D, Godley BJ, Martin C, Mihaly SF, Barclay DR, Thomson DJM, Dewey R, Bedard J, Miller A, Dearden A, Chapman J, Dares L, Borden L, Gibbs D, Schultz J, Sergeenko N, Francis F, Weltman A, Moity N, Ramírez-González J, Mucientes G, Alonso-Fernández A, Namir I, Bar-Massada A, Chen R, Yedvab S, Okey TA, Oppel S, Arkumarev V, Bakari S, Dobrev V, Saravia-Mullin V, Bounas A, Dobrev D, Kret E, Mengistu S, Pourchier C, Ruffo A, Tesfaye M, Wondafrash M, Nikolov SC, Palmer C, Sileci L, Rex PT, Lowe CG, Peters F, Pine MK, Radford CA, Wilson L, McWhinnie L, Scuderi A, Jeffs AG, Prudic KL, Larrivée M, McFarland KP, Solis R, Hutchinson RA, Queiroz N, Furtado MA, Sims DW, Southall E, Quesada-Rodriguez CA, Diaz-Orozco JP, Rodgers KS, Severino SJL, Graham AT, Stefanak MP, Madin EMP, Ryan PG, Maclean K, Weideman EA, Şekercioğlu ÇH, Kittelberger KD, Kusak J, Seminoff JA, Hanna ME, Shimada T, Meekan MG, Smith MKS, Mokhatla MM, Soh MCK, Pang RYT, Ng BXK, Lee BPY, Loo AHB, Er KBH, Souza GBG, Stallings CD, Curtis JS, Faletti ME, Peake JA, Schram MJ, Wall KR, Terry C, Rothendler M, Zipf L, Ulloa JS, Hernández-Palma A, Gómez-Valencia B, Cruz-Rodríguez C, Herrera-Varón Y, Roa M, Rodríguez-Buriticá S, Ochoa-Quintero JM, Vardi R, Vázquez V, Requena-Mesa C, Warrington MH, Taylor ME, Woodall LC, Stefanoudis PV, Zhang X, Yang Q, Zukerman Y, Sigal Z, Ayali A, Clua EEG, Carzon P, Seguine C, Corradini A, Pedrotti L, Foley CM, Gagnon CA, Panipakoochoo E, Milanes CB, Botero CM, Velázquez YR, Milchakova NA, Morley SA, Martin SM, Nanni V, Otero T, Wakeling J, Abarro S, Piou C, Sobral AFL, Soto EH, Weigel EG, Bernal-Ibáñez A, Gestoso I, Cacabelos E, Cagnacci F, Devassy RP, Loretto MC, Moraga P, Rutz C, and Duarte CM

Abstract

The global lockdown to mitigate COVID-19 pandemic health risks has altered human interactions with nature. Here, we report immediate impacts of changes in human activities on wildlife and environmental threats during the early lockdown months of 2020, based on 877 qualitative reports and 332 quantitative assessments from 89 different studies. Hundreds of reports of unusual species observations from around the world suggest that animals quickly responded to the reductions in human presence. However, negative effects of lockdown on conservation also emerged, as confinement resulted in some park officials being unable to perform conservation, restoration and enforcement tasks, resulting in local increases in illegal activities such as hunting. Overall, there is a complex mixture of positive and negative effects of the pandemic lockdown on nature, all of which have the potential to lead to cascading responses which in turn impact wildlife and nature conservation. While the net effect of the lockdown will need to be assessed over years as data becomes available and persistent effects emerge, immediate responses were detected across the world. Thus, initial qualitative and quantitative data arising from this serendipitous global quasi-experimental perturbation highlights the dual role that humans play in threatening and protecting species and ecosystems. Pathways to favorably tilt this delicate balance include reducing impacts and increasing conservation effectiveness., Competing Interests: Authors declare no competing interests., (© 2021 Published by Elsevier Ltd.)

Published
2021
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