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Richard F. Pywell
Natural Environment Research Council
HabitatEcologyAgroforestryAgronomyBiology
258Publications
43H-index
7,040Citations
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Publications 258
Newest
#1John W. Redhead (University of Reading)H-Index: 17
#2Gary D. Powney (NERC: Natural Environment Research Council)H-Index: 13
Last. Richard F. Pywell (NERC: Natural Environment Research Council)H-Index: 43
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Insects provide vital ecosystem services to agricultural systems in the form of pollination and natural pest control. However, there are currently widespread declines in the beneficial insects which deliver these services (i.e. pollinators and 'natural enemies' such as predators and parasitoids). Two key drivers of these declines have been the expansion of agricultural land and intensification of agricultural production. With an increasing human population requiring additional sources of food, f...
1 CitationsSource
#1Markus WagnerH-Index: 14
#2L. HulmesH-Index: 8
Last. Richard F. PywellH-Index: 43
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#1Melanie Armbruster (Lancaster University)
#2Tim GoodallH-Index: 3
Last. Robert Griffiths (Rothamsted Research)
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Land use intensification can reduce soil carbon stocks and changes microbial community biodiversity and functionality. However, there is a lack of consensus on whether management consistently affects microbial biodiversity across geographic scales, and how this relates to altered soil function. From a regulatory and monitoring perspective, there is a need to identify functionally relevant indicators of land use in order to evaluate the progress of soil restoration approaches. We performed a land...
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#1Arran GreenopH-Index: 3
Last. Ben A. WoodcockH-Index: 35
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Climate change poses a threat to global food security with extreme heat events causing drought and direct damage to crop plants. However, by altering behavioural or physiological responses of insects, extreme heat events may also affect pollination services on which many crops are dependent. Such effects may potentially be exacerbated by other environmental stresses, such as exposure to widely used agro-chemicals. To determine whether environmental stressors interact to affect pollination servic...
Source
#1Lucy E. RiddingH-Index: 5
#2James M. BullockH-Index: 58
Last. Richard F. PywellH-Index: 43
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Analysis of long-term vegetation change is limited. Furthermore most studies evaluating change only examine two snapshots in time, which makes it difficult to define rates of change and accurately assess potential drivers. To assess long-term change in calcareous grassland over multiple time periods, we re-surveyed a transect study undertaken at Parsonage Down National Nature Reserve, Wiltshire, southern England in 1970 and 1990 by T. Wells. We examined differences in soil properties and species...
Source
#1John W. Redhead (NERC: Natural Environment Research Council)H-Index: 17
#2M. NowakowskiH-Index: 14
Last. Richard F. Pywell (NERC: Natural Environment Research Council)H-Index: 43
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Abstract Calcareous grasslands are highly biodiverse semi-natural habitats. A particular challenge to European calcareous grassland management in recent years has been the increasing dominance of the competitive grass Brachypodium pinnatum . B. pinnatum is difficult to control by traditional means but selective herbicides offer a potential alternative. We trialled five selective herbicides on two levels of B. pinnatum cover (sparse and dense) at a UK calcareous grassland site over three years of...
Source
#1Markus WagnerH-Index: 14
#2Kate C. Fagan (Natural England)H-Index: 2
Last. Richard F. PywellH-Index: 43
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Abstract Habitat restoration requires realistic goals. To naturally regenerate European lowland calcareous grassland, whose extent has severely declined, over a century may be required for vegetation to become indistinguishable from that of old calcareous grassland. Progress of natural regeneration can be characterized using member species of the reference vegetation as indicators of favourable site condition. Chronosequence studies have suggested that calcareous-grassland species differ predict...
2 CitationsSource
#1Arran Greenop (Lancaster University)H-Index: 3
#2Andreas CeceljaH-Index: 1
Last. Richard F. PywellH-Index: 43
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Sentinel prey (an artificially manipulated patch of prey) are widely used to assess the level of predation provided by natural enemies in agricultural systems. Whilst a number of different methodologies are currently in use, little is known about how arthropod predators respond to artificially manipulated sentinel prey in comparison with predation on free-living prey populations. We assessed how attack rates on immobilized (aphids stuck to cards) and artificial (plasticine lepidopteran larvae mi...
4 CitationsSource
#1Ben A. WoodcockH-Index: 35
#2Michael P.D. Garratt (University of Reading)H-Index: 21
Last. Richard F. PywellH-Index: 43
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How insects promote crop pollination remains poorly understood in terms of the contribution of functional trait differences between species. We used meta-analyses to test for correlations between community abundance, species richness and functional trait metrics with oilseed rape yield, a globally important crop. While overall abundance is consistently important in predicting yield, functional divergence between species traits also showed a positive correlation. This result supports the compleme...
22 CitationsSource
#2Tim GoodallH-Index: 3
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