Search Results - "Woiwod, I.P."

Flight periodicity and the vertical distribution of high-altitude moth migration over southern Britain by Wood, C R, Reynolds, D R, Wells, P M, Barlow, J F, Woiwod, I P, Chapman, J W

“…The continuous operation of insect-monitoring radars in the UK has permitted, for the first time, the characterization of various phenomena associated with…”
Get more information

An aerial netting study of insects migrating at high altitude over England by Chapman, J W, Reynolds, D R, Smith, A D, Smith, E T, Woiwod, I P

“…Day and night sampling of windborne arthropods at a height of 200 m above ground was undertaken at Cardington, Bedfordshire, UK, during July 1999, 2000 and…”
Get more information

Radar studies of the vertical distribution of insects migrating over southern Britain: the influence of temperature inversions on nocturnal layer concentrations by Reynolds, D R, Chapman, J W, Edwards, A S, Smith, A D, Wood, C R, Barlow, J F, Woiwod, I P

“…Insects migrating over two sites in southern UK (Malvern in Worcestershire, and Harpenden in Hertfordshire) have been monitored continuously with nutating…”
Get more information

Compensatory dynamics are rare in natural ecological communities by Houlahan, J.E, Currie, D.J, Cottenie, K, Cumming, G.S, Ernest, S.K.M, Findlay, C.S, Fuhlendorf, S.D, Gaedke, U, Legendre, P, Magnuson, J.J, McArdle, B.H, Muldavin, E.H, Noble, D, Russell, R, Stevens, R.D, Willis, T.J, Woiwod, I.P, Wondzell, S.M

“…In population ecology, there has been a fundamental controversy about the relative importance of competition-driven (density-dependent) population regulation…”
Get full text

Seasonally adaptive migratory headings mediated by a sun compass in the painted lady butterfly, Vanessa cardui by Nesbit, R.L., Hill, J.K., Woiwod, I.P., Sivell, D., Bensusan, K.J., Chapman, J.W.

“…Many insects undertake long-distance migrations to exploit seasonally variable conditions at high latitudes, but the mechanisms used by migrants to select and…”
Get full text

Development of vertical-looking radar technology for monitoring insect migration by Chapman, J.W, Smith, A.D, Woiwod, I.P, Reynolds, D.R, Riley, J.R

“…The development of vertical-looking radar (VLR) has allowed long-term monitoring of the altitudinal and temporal dynamics of high-flying insect populations to…”
Get full text

Providing the evidence base for environmental risk assessments of novel farm management practices by Storkey, J., Bohan, D.A., Haughton, A.J., Champion, G.T., Perry, J.N., Poppy, G.M., Woiwod, I.P.

“…An environmental risk assessment of a new agricultural management practice depends upon the provision of empirical evidence of cause and effect. This will…”
Get full text

Mass aerial migration in the carabid beetle Notiophilus biguttatus by Chapman, J.W, Reynolds, D.R, Smith, A.D, Riley, J.R, Telfer, M.G, Woiwod, I.P

“…1. Catches in traps at 12 and 200 m above ground, and observations with entomological radar, were used to document the high-altitude windborne movements of…”
Get full text

Insect Movement: Mechanisms and Consequences by Woiwod, I.P, Reynolds, D.R, Thomas, C.D, Woiwod, P

“…Insect movement is a subject that has seen many advances in the 1980s and 1990s. This book is based on the main papers presented at the Royal Entomological…”
Get full text

Invertebrate biodiversity in maize following withdrawal of triazine herbicides by Brooks, D.R, Clark, S.J, Perry, J.N, Bohan, D.A, Champion, G.T, Firbank, L.G, Haughton, A.J, Hawes, C, Heard, M.S, Woiwod, I.P

“…Responses of key invertebrates within Farm Scale Evaluations (FSEs) of maize reflected advantageous effects for weeds under genetically modified…”
Get full text

The spread of coarse grasses and changes in numbers of lepidoptera in a woodland nature reserve by Pollard, E., Woiwod, I.P., Greatorex-Davies, J.N., Yates, T.J., Welch, R.C.

“…In the last 15–20 years, coarse grasses have spread to dominate much of the ground vegetation of open areas in Monks Wood, a woodland nature reserve in eastern…”
Get full text

Estimating chaos in an insect population by Perry, J.N. (Rothamsted Experimental Station, Harpenden, Herts, UK.), Woiwod, I.P, Smith, R.H, Morse, D

“…A study that used estimates from a deterministic skeleton to identify transitions to chaos in flour beetle populations may have ignored the random component in…”
Get full text

Temperature change and complex dynamics by Zhou, X, Perry, J.N, Woiwod, I.P, Harrington, R, Bale, J.S, Clark, S.J

“…Density-dependent factors, such as population growth rate and migration, influence dynamic behaviour in ecological models. Temperature, an abiotic and…”
Get full text

Specificity of the spatial power-law exponent in ecology and agriculture by Taylor, L.R, Perry, J.N, Woiwod, I.P, Taylor, R.A.J

“…Accounting for the spatial distribution of individuals is an important issue in ecology and applied biology. Spatial distribution of individuals is discussed…”
Get full text

density dependence of spatial behaviour and the rarity of randomness by Taylor, L.R, Woiwod, I.P, Perry, J.N

“…(1) Spatial distribution was analysed in 156 sets of field data comprising more than 200 000 sample units in 3840 samples from 102 species. (2) Taylor's model,…”
Get full text

Detecting chaotic dynamics of insect populations from long-term survey data by Zhou, X, Perry, J.N, Woiwod, I.P, Harrington, R, Bale, J.S, Clark, S.J

“…Estimates of the Lyapunov exponent, a statistic that measures the sensitive dependence of the dynamic behaviour of a system on its initial conditions, are used…”
Get full text

Diversity statistics and the log-series model by Taylor, L.R, Kempton, R.A, Woiwod, I.P

“…(1) Light trap catches of Macrolepidoptera were used to compare the parametric diversity statistic α, derived from the log-series model, with the…”
Get full text

Life histories and distribution of British Trichoptera, excluding Limnephilidae and Hydroptilidae, based on the Rothamsted Insect Survey by Crichton, M.I, Fisher, D, Woiwod, I.P

“…Catches of Trichoptera from 67 light traps in Great Britain are studied. Two families are excluded: the Limnephilidae because they have been considered in an…”
Get full text