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Published on Oct 18, 2017in PLOS ONE 2.77
Caspar A. Hallmann7
Estimated H-index: 7
(Radboud University Nijmegen),
Martin Sorg1
Estimated H-index: 1
+ 9 AuthorsThomas Hörren1
Estimated H-index: 1
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 pr...
234 Citations Source Cite
Gerardo Ceballos39
Estimated H-index: 39
(National Autonomous University of Mexico),
Paul R. Ehrlich97
Estimated H-index: 97
(Stanford University),
Rodolfo Dirzo51
Estimated H-index: 51
(Stanford University)
Abstract The population extinction pulse we describe here shows, from a quantitative viewpoint, that Earth’s sixth mass extinction is more severe than perceived when looking exclusively at species extinctions. Therefore, humanity needs to address anthropogenic population extirpation and decimation immediately. That conclusion is based on analyses of the numbers and degrees of range contraction (indicative of population shrinkage and/or population extinctions according to the International Union ...
216 Citations Source Cite
Published on Jul 23, 2017
Philipp Unterweger2
Estimated H-index: 2
,
Nicolas Schrode1
Estimated H-index: 1
,
Oliver Betz13
Estimated H-index: 13
Measurable ecological data, e.g., species diversity, provide inadequate information for achieving the comprehensive protection of biodiversity, because human acceptance attitudes can be important factors in undermining nature protection schemes. We have analysed an ecologically driven urban management system presented to urban habitants. A photograph-based survey answered by 424 participants was used to evaluate their impressions of natural meadows. The positive effect of provided information ta...
6 Citations Source Cite
Published on Aug 1, 2016in Conservation Biology 5.89
Jan Christian Habel25
Estimated H-index: 25
(Technische Universität München),
Andreas Segerer1
Estimated H-index: 1
+ 3 AuthorsThomas Schmitt26
Estimated H-index: 26
(Martin Luther University of Halle-Wittenberg)
Environmental changes strongly impact the distribution of species and subsequently the composition of species assemblages. Although most community ecology studies represent temporal snap shots, long-term observations are rather rare. However, only such time series allow the identification of species composition shifts over several decades or even centuries. We analyzed changes in the species composition of a southeastern German butterfly and burnet moth community over nearly 2 centuries (1840-20...
32 Citations Source Cite
Published on Jan 1, 2016in Biodiversity and Conservation 2.83
Marina Mazón2
Estimated H-index: 2
(University of Alicante)
When trying to assess entomological diversity, identifying taxa at levels higher than species is much easier and may provide a wider vision of other ecological features. In this work, we used the data from several samplings made in across six cacao farms in Merida state (Venezuela). Farms fell into two categories according to intensity of perturbation. In these samplings we identified all parasitoid Hymenoptera families. All individuals belonging to families Ichneumonidae, Braconidae and Chalcid...
3 Citations Source Cite
Published on Nov 7, 2015
H. Charles J. Godfray44
Estimated H-index: 44
(University of Oxford),
Tjeerd Blacquière15
Estimated H-index: 15
(Wageningen University and Research Centre)
+ 5 AuthorsAngela R. McLean35
Estimated H-index: 35
(University of Oxford)
A summary is provided of recent advances in the natural science evidence base concerning the effects of neonicotinoid insecticides on insect pollinators in a format (a ‘restatement') intended to be accessible to informed but not expert policymakers and stakeholders. Important new studies have been published since our recent review of this field (Godfray et al. 2014 Proc. R. Soc. B 281, 20140558. (doi:10.1098/rspb.2014.0558)) and the subject continues to be an area of very active research and hig...
90 Citations Source Cite
Published on Jan 1, 2015
Philipp Unterweger2
Estimated H-index: 2
,
Andreas Braun4
Estimated H-index: 4
2 Citations Source Cite
Published on Dec 12, 2014in Science 41.06
Jeff Ollerton34
Estimated H-index: 34
(University of Northampton),
Hilary E. Erenler3
Estimated H-index: 3
(University of Northampton)
+ 1 AuthorsRobin G M Crockett14
Estimated H-index: 14
(University of Northampton)
It is increasingly recognized that many pollinator populations are declining. Ollerton et al. looked at British historical distribution records for bees and flower-visiting wasps across the past century. Though it is well known that agricultural intensification after World War II had a negative impact on many species, pollinator declines began in the decades preceding this time, when other changes were made to agricultural practices and policies. Science , this issue p. [1360][1] [1]: /lookup/vo...
114 Citations Source Cite
Published on Mar 1, 2014in Urban Ecosystems 2.00
Briony A. Norton8
Estimated H-index: 8
(University of Melbourne),
Linda J. Thomson21
Estimated H-index: 21
(University of Melbourne)
+ 1 AuthorsMark J. McDonnell33
Estimated H-index: 33
(University of Melbourne)
Changes to the ground layer in urban areas are extensive, but the effects on arthropod fauna are poorly understood. We undertook a manipulative experiment to examine the response of arthropods to small-scale variation in ground covers commonly found in urban parks and gardens in Australia. The ground covers tested were bare ground, leaf litter, woodchips and grass, with plot sizes of 3.6 m2. Epigeic arthropods were sampled with pitfall traps and Tullgren funnels over 12 months following establis...
8 Citations Source Cite
Published on Jan 9, 2014in PLOS ONE 2.77
Pierrick Buri5
Estimated H-index: 5
(University of Bern),
Jean-Yves Humbert12
Estimated H-index: 12
(University of Bern),
Raphaël Arlettaz41
Estimated H-index: 41
(University of Bern)
Bees are a key component of biodiversity as they ensure a crucial ecosystem service: pollination. This ecosystem service is nowadays threatened, because bees suffer from agricultural intensification. Yet, bees rarely benefit from the measures established to promote biodiversity in farmland, such as agri-environment schemes (AES). We experimentally tested if the spatio-temporal modification of mowing regimes within extensively managed hay meadows, a widespread AES, can promote bees. We applied a ...
28 Citations Source Cite
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