Johan Ekroos

ORCID: 0000-0003-1164-5472
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About
Contact & Profiles
Research Areas
  • Ecology and Vegetation Dynamics Studies
  • Plant and animal studies
  • Land Use and Ecosystem Services
  • Plant Parasitism and Resistance
  • Species Distribution and Climate Change
  • Conservation, Biodiversity, and Resource Management
  • Insect and Pesticide Research
  • Wildlife Ecology and Conservation
  • Forest Management and Policy
  • Economic and Environmental Valuation
  • Peatlands and Wetlands Ecology
  • Avian ecology and behavior
  • Agricultural Economics and Policy
  • Insect-Plant Interactions and Control
  • Land Rights and Reforms
  • Botany and Plant Ecology Studies
  • Bioenergy crop production and management
  • Forest Ecology and Biodiversity Studies
  • Fire effects on ecosystems
  • Organic Food and Agriculture
  • Rangeland and Wildlife Management
  • Soil Carbon and Nitrogen Dynamics
  • Agriculture Sustainability and Environmental Impact
  • Forest Insect Ecology and Management
  • Agriculture, Land Use, Rural Development

Lund University
2016-2025

University of Helsinki
2008-2025

Finnish Society of Sciences and Letters
2022

Bolin Centre for Climate Research
2018

Novia University of Applied Sciences
2012

Åbo Akademi University
2011

Matteo Dainese Emily A. Martin Marcelo A. Aizen Matthias Albrecht Ígnasi Bartomeus and 95 more Riccardo Bommarco Luísa G. Carvalheiro Rebecca Chaplin‐Kramer Vesna Gagic Lucas A. Garibaldi Jaboury Ghazoul Heather Grab Mattias Jonsson Daniel S. Karp Christina M. Kennedy David Kleijn Claire Kremen Douglas A. Landis Deborah K. Letourneau Lorenzo Marini Katja Poveda Romina Rader Henrik G. Smith Teja Tscharntke Georg K.S. Andersson Isabelle Badenhausser Svenja Baensch Antônio Diego M. Bezerra Felix J.J.A. Bianchi Virginie Boreux Vincent Bretagnolle Berta Caballero‐López Pablo Cavigliasso Aleksandar Ćetković Natacha P. Chacoff Alice Claßen Sarah Cusser Felipe Deodato da Silva e Silva G.A. de Groot Jan‐Hendrik Dudenhöffer Johan Ekroos Thijs P. M. Fijen Pierre Franck Breno Magalhães Freitas Michael P. D. Garratt Claudio Gratton Juliana Hipólito Andrea Holzschuh Lauren Hunt Aaron L. Iverson Shalene Jha Tamar Keasar Tania N. Kim Miriam Kishinevsky Björn K. Klatt Alexandra‐Maria Klein Kristin M. Krewenka Smitha Krishnan Ashley E. Larsen Claire Lavigne Heidi Liere Bea Maas Rachel E. Mallinger Eliana Martínez Pachón Alejandra Martínez‐Salinas Timothy D. Meehan Matthew G. E. Mitchell Gonzalo A. R. Molina Maike Nesper L. Anders Nilsson Megan E. O’Rourke Marcell K. Peters Milan Plećaš Simon G. Potts Davi de Lacerda Ramos Jay A. Rosenheim Maj Rundlöf Adrien Rusch Agustín Sáez Jeroen Scheper Matthias Schleuning Julia M. Schmack Amber R. Sciligo Colleen L. Seymour Dara A. Stanley Rebecca Stewart Jane C. Stout Louis Sutter Mayura B. Takada Hisatomo Taki Giovanni Tamburini Matthias Tschumi Blandina Felipe Viana Catrin Westphal Bryony K. Willcox S. D. Wratten Akira Yoshioka Carlos Zaragoza‐Trello Wei Zhang Yi Zou

Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield-related services can be maintained by a few dominant species or rely on high richness remains unclear. Using database from 89 studies (with 1475 locations), we partition the relative importance of richness, abundance, dominance for pollination; biological pest control; final yields in context ongoing land-use change. Pollinator enemy directly supported...

10.1126/sciadv.aax0121 article EN cc-by-nc Science Advances 2019-10-11

Abstract To address the challenges of biodiversity conservation and commodity production, a framework has been proposed that distinguishes between integration (“land sharing”) separation sparing”) production. Controversy arisen around this partly because many scholars have focused specifically on food production rather than more encompassing notions such as land scarcity or security. further surrounds practical value partial trade‐off analyses, ways in which should be quantified, series...

10.1111/conl.12084 article EN cc-by-nc-nd Conservation Letters 2013-12-26

1. Landscape simplification and habitat fragmentation may cause severe declines of less mobile specialist species lead to biotic homogenization communities, but large-scale empirical evidence on remains sparse. 2. We sampled butterfly day-active geometrid moth communities within 134 differently fragmented landscapes in Finland situated five geographical regions. Overall richness was partitioned into alpha beta diversity butterflies were assigned a species-specific mobility rank specificity...

10.1111/j.1365-2664.2009.01767.x article EN Journal of Applied Ecology 2010-01-11

Abstract Co‐flowering plant species commonly share flower visitors, and thus have the potential to influence each other's pollination. In this study we analysed 750 quantitative plant–pollinator networks from 28 studies representing diverse biomes worldwide. We show that for one another indirectly via shared pollinators was greater plants whose resources were more abundant (higher floral unit number nectar sugar content) accessible. The indirect also stronger between phylogenetically closer...

10.1111/ele.12342 article EN cc-by Ecology Letters 2014-08-28

The concept of ecosystem services was originally developed to illustrate the benefits that natural ecosystems generate for society and raise awareness biodiversity conservation. In this article we identify major challenges opportunities ecologists involved in empirical or modeling service research. first challenge arises from fact has not been generated context managed systems. Ecologists need effect anthropogenic interventions order propose practices benefit service-providing organisms...

10.3389/fevo.2014.00087 article EN cc-by Frontiers in Ecology and Evolution 2015-01-12

A common approach to the conservation of farmland biodiversity and promotion multifunctional landscapes, particularly in landscapes containing only small remnants non-crop habitats, has been maintain landscape heterogeneity reduce land-use intensity. In contrast, it recently shown that devoting specific areas habitats conservation, segregated from high-yielding ('land sparing'), can more effectively conserve than promoting low-yielding, less intensively managed occupying larger sharing')....

10.3389/fevo.2015.00145 article EN cc-by Frontiers in Ecology and Evolution 2016-01-05

Abstract Pollinator declines have raised concerns about the persistence of plant species that depend on insect pollination, in particular by bees, for their reproduction. The impact pollinator remains unknown species‐rich communities found temperate seminatural grasslands. We investigated effects land‐use intensity surrounding landscape distribution traits related to pollination 239 European Increasing arable land use consistently reduced density plants depending bee and pollination....

10.1111/ele.12325 article EN Ecology Letters 2014-07-16

The assessment of effects anthropogenic disturbance on biodiversity (BD) and ecosystem services (ES) their relationships are key priorities the Intergovernmental Panel for Biodiversity Ecosystem Services. Agricultural landscapes associated BD provide multiple ES it is crucial to understand how between components change along gradients landscape complexity. In this study, we related eight potentials species richness five invertebrate, vertebrate plant taxonomic groups in cereal farming...

10.1016/j.biocon.2017.12.027 article EN cc-by-nc-nd Biological Conservation 2018-01-03

The consequences of climate change for bird populations have received much attention in recent decades, especially amongst cavity‐nesting songbirds, yet little has been written on ducks (Anatidae) despite these being major elements wetland diversity and important quarry species. This paper reviews the known birds general, relates to limited information available specifically ducks. Climate can influence migration distance phenology, potentially affecting patterns mortality, as well...

10.2981/12-118 article EN Wildlife Biology 2013-12-01

While urbanisation contributes to global biodiversity declines, flower-rich urban habitats may provide beneficial pollinator habitats. We investigated the potential of residential areas contribute diversity by analysing wild bee and hoverfly species richness composition assemblages summer-active species, sampled in 53 gardens across rural landscapes Malmö, regional capital Sweden’s southernmost county. Species differed between gardens, four types (ranging from low human density high...

10.1016/j.landurbplan.2020.103901 article EN cc-by Landscape and Urban Planning 2020-08-12

Incorporating both ecosystem services and disservices into land-use decisions is essential for meeting conservation livelihood goals. We discuss the merits challenges of this concept, termed net effects, birds in agroecosystems. Although have widely documented impacts on agriculture (e.g., pest control, crop damage), effects such activities are rarely quantified. This could be attributed to complexity measuring direct indirect trophic interactions, necessity cross-disciplinary collaboration...

10.1093/biosci/biy104 article EN cc-by-sa BioScience 2018-08-11
Matteo Dainese Emily A. Martin Marcelo A. Aizen Matthias Albrecht Ígnasi Bartomeus and 95 more Riccardo Bommarco Luísa G. Carvalheiro Rebecca Chaplin‐Kramer Vesna Gagic Lucas A. Garibaldi Jaboury Ghazoul Heather Grab Mattias Jonsson Daniel S. Karp Christina M. Kennedy David Kleijn Claire Kremen Douglas A. Landis Deborah K. Letourneau Lorenzo Marini Katja Poveda Romina Rader Henrik G. Smith Teja Tscharntke Georg K.S. Andersson Isabelle Badenhausser Svenja Baensch Antônio Diego M. Bezerra Felix J.J.A. Bianchi Virginie Boreux Vincent Bretagnolle Berta Caballero‐López Pablo Cavigliasso Aleksandar Ćetković Natacha P. Chacoff Alice Claßen Sarah Cusser Felipe Deodato da Silva e Silva G.A. de Groot Jan‐Hendrik Dudenhöffer Johan Ekroos Thijs P. M. Fijen Pierre Franck Breno Magalhães Freitas Michael P. D. Garratt Claudio Gratton Juliana Hipólito Andrea Holzschuh Lauren Hunt Aaron L. Iverson Shalene Jha Tamar Keasar Tania N. Kim Miriam Kishinevsky Björn K. Klatt Alexandra‐Maria Klein Kristin M. Krewenka Smitha Krishnan Ashley E. Larsen Claire Lavigne Heidi Liere Bea Maas Rachel E. Mallinger Eliana Martínez Pachón Alejandra Martínez‐Salinas Timothy D. Meehan Matthew G. E. Mitchell Gonzalo A. R. Molina Maike Nesper L. Anders Nilsson Megan E. O’Rourke Marcell K. Peters Milan Plećaš Simon G. Potts Davi de Lacerda Ramos Jay A. Rosenheim Maj Rundlöf Adrien Rusch Agustín Sáez Jeroen Scheper Matthias Schleuning Julia M. Schmack Amber R. Sciligo Colleen L. Seymour Dara A. Stanley Rebecca Stewart Jane C. Stout Louis Sutter Mayura B. Takada Hisatomo Taki Giovanni Tamburini Matthias Tschumi Blandina Felipe Viana Catrin Westphal Bryony K. Willcox S. D. Wratten Akira Yoshioka Carlos Zaragoza‐Trello Wei Zhang Yi Zou

ABSTRACT Human land use threatens global biodiversity and compromises multiple ecosystem functions critical to food production. Whether crop yield-related services can be maintained by few abundant species or rely on high richness remains unclear. Using a database from 89 systems, we partition the relative importance of abundance for pollination, biological pest control final yields in context on-going land-use change. Pollinator enemy directly supported independent abundance. Up 50%...

10.1101/554170 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-02-20

Eucalyptus plantations have been established in many areas of the world due to their fast growth and profitability. In NW Spain, now cover a larger area than native forests. Although shown affect biodiversity, relatively few studies compared effect on multiple taxonomic groups different aspects biodiversity. We herb bird species richness abundance between 14 paired patches deciduous forest heterogeneous agro-forest region Spain. also investigated whether contribute shifts community...

10.1016/j.gecco.2019.e00690 article EN cc-by-nc-nd Global Ecology and Conservation 2019-06-15

We report on the status of Baltic/Wadden Sea flyway Eider population based trends in breeding and wintering numbers throughout region, supplemented by changes sex ratio proportion young Eiders as monitored Danish hunting bag. At scale, total pairs decreased 48% during 2000–2009, after relatively stable 1991–2000. The majority nest Finland Sweden, where number has halved over same period. After initial declines winter between 1991 2000, 2000– 2009, national increased Baltic Sea, but Wadden...

10.51812/of.133795 article EN cc-by Ornis Fennica 2012-07-01

Loss and fragmentation of semi-natural grasslands have had negative consequences for grassland biodiversity, such as butterflies. Urban parks other urban green spaces so far largely been overlooked suitable butterfly habitats, although they could potentially sustain diverse populations over time. We analysed the temporal change in species assemblages city Malmö, Southern Sweden. studied changes richness abundance butterflies between 2006 2015 20 public spaces, characterized by different...

10.1007/s11252-018-0818-y article EN cc-by Urban Ecosystems 2018-11-07
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