More than 75 percent decline over 27 years in total flying insect biomass in protected areas
Publication Date
October 18, 2017
Authors
Caspar A. Hallmann, Martin Sorg, Eelke Jongejans, Henk Siepel, et al
Volume
12
Issue
10
Pages
e0185809
DOI
http://doi.org/10.1371/journal.pone.0185809
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0185809
Scopus
85031788933
Mendeley
http://www.mendeley.com/research/more-75-percent-decline-27-years-total-flying-insect-biomass-protected-areas-1
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Mendeley | Further Information

{"title"=>"More than 75 percent decline over 27 years in total flying insect biomass in protected areas", "type"=>"journal", "authors"=>[{"first_name"=>"Caspar A.", "last_name"=>"Hallmann", "scopus_author_id"=>"55734766700"}, {"first_name"=>"Martin", "last_name"=>"Sorg", "scopus_author_id"=>"57196089672"}, {"first_name"=>"Eelke", "last_name"=>"Jongejans", "scopus_author_id"=>"56034812200"}, {"first_name"=>"Henk", "last_name"=>"Siepel", "scopus_author_id"=>"6603768237"}, {"first_name"=>"Nick", "last_name"=>"Hofland", "scopus_author_id"=>"57196087733"}, {"first_name"=>"Heinz", "last_name"=>"Schwan", "scopus_author_id"=>"57196087465"}, {"first_name"=>"Werner", "last_name"=>"Stenmans", "scopus_author_id"=>"57196097011"}, {"first_name"=>"Andreas", "last_name"=>"Müller", "scopus_author_id"=>"35262526000"}, {"first_name"=>"Hubert", "last_name"=>"Sumser", "scopus_author_id"=>"57196094627"}, {"first_name"=>"Thomas", "last_name"=>"Hörren", "scopus_author_id"=>"57194657595"}, {"first_name"=>"Dave", "last_name"=>"Goulson", "scopus_author_id"=>"7006090761"}, {"first_name"=>"Hans", "last_name"=>"De Kroon", "scopus_author_id"=>"51360921500"}], "year"=>2017, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "doi"=>"10.1371/journal.pone.0185809", "sgr"=>"85031788933", "scopus"=>"2-s2.0-85031788933", "isbn"=>"1111111111", "pmid"=>"29045418", "pui"=>"618802810"}, "id"=>"018a7866-21f9-30ca-8e80-d3ee344654b8", "abstract"=>"Global declines in insects have sparked wide interest among scientists, politicians, and the general public. Loss of insect diversity and abundance is expected to provoke cascading effects on food webs and to jeopardize ecosystem services. Our understanding of the extent and underlying causes of this decline is based on the abundance of single species or taxonomic groups only, rather than changes in insect biomass which is more relevant for ecological functioning. Here, we used a standardized protocol to measure total insect biomass using Malaise traps, deployed over 27 years in 63 nature protection areas in Germany (96 unique location-year combinations) to infer on the status and trend of local entomofauna. Our analysis estimates a seasonal decline of 76%, and mid-summer decline of 82% in flying insect biomass over the 27 years of study. We show that this decline is apparent regardless of habitat type, while changes in weather, land use, and habitat characteristics cannot explain this overall decline. This yet unrecognized loss of insect biomass must be taken into account in evaluating declines in abundance of species depending on insects as a food source, and ecosystem functioning in the European landscape. [Autor]", "link"=>"http://www.mendeley.com/research/more-75-percent-decline-27-years-total-flying-insect-biomass-protected-areas-1", "reader_count"=>795, "reader_count_by_academic_status"=>{"Unspecified"=>46, "Professor > Associate Professor"=>26, "Researcher"=>162, "Student > Doctoral Student"=>28, "Student > Ph. D. Student"=>160, "Student > Postgraduate"=>23, "Other"=>47, "Student > Master"=>147, "Student > Bachelor"=>112, "Lecturer"=>8, "Lecturer > Senior Lecturer"=>6, "Professor"=>29, "Librarian"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>46, "Professor > Associate Professor"=>26, "Researcher"=>162, "Student > Doctoral Student"=>28, "Student > Ph. D. Student"=>160, "Student > Postgraduate"=>23, "Other"=>47, "Student > Master"=>147, "Student > Bachelor"=>112, "Lecturer"=>8, "Lecturer > Senior Lecturer"=>6, "Professor"=>29, "Librarian"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>84, "Agricultural and Biological Sciences"=>416, "Veterinary Science and Veterinary Medicine"=>2, "Chemistry"=>7, "Computer Science"=>3, "Earth and Planetary Sciences"=>16, "Economics, Econometrics and Finance"=>5, "Energy"=>1, "Engineering"=>6, "Environmental Science"=>180, "Biochemistry, Genetics and Molecular Biology"=>25, "Mathematics"=>1, "Medicine and Dentistry"=>10, "Neuroscience"=>2, "Design"=>3, "Physics and Astronomy"=>4, "Psychology"=>6, "Social Sciences"=>18, "Immunology and Microbiology"=>1, "Business, Management and Accounting"=>1, "Philosophy"=>2, "Nursing and Health Professions"=>1, "Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>10}, "Social Sciences"=>{"Social Sciences"=>18}, "Physics and Astronomy"=>{"Physics and Astronomy"=>4}, "Psychology"=>{"Psychology"=>6}, "Mathematics"=>{"Mathematics"=>1}, "Unspecified"=>{"Unspecified"=>84}, "Environmental Science"=>{"Environmental Science"=>180}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Design"=>{"Design"=>3}, "Engineering"=>{"Engineering"=>6}, "Chemistry"=>{"Chemistry"=>7}, "Neuroscience"=>{"Neuroscience"=>2}, "Energy"=>{"Energy"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>16}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>5}, "Immunology and Microbiology"=>{"Immunology and Microbiology"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>416}, "Computer Science"=>{"Computer Science"=>3}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>1}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>1}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>25}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>2}, "Philosophy"=>{"Philosophy"=>2}}, "group_count"=>32}

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Scopus | Further Information

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