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John Connolly has extensive design, analysis and consulting experience across a wide range of biological sciences. He founded the Environmental and Ecological Modeling Group, comprising researchers in UCD and Teagasc. They have developed models of biological systems in many areas of application and currently specialize in providing statistical methods in biodiversity research and its interface with climate change. This work involves collaboration with a broad national and international network of biologists and has established new paradigms for experimental investigations.
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| Dr. Connolly current research interests include the design and analysis of biodiversity experiments and modelling environmental and ecological processes.He publishes regularly on environmental and ecological statistics. |
| Connolly J, H.C. Goma, K. Rahim.; (2001) 'The information content of indicators in intercropping research'. Agricultural Ecosystems and Environment, 87 :191-207. [Details] |
| Nolan T, Connolly J. Wachendorf M.; (2001) 'Mixed grazing and climatic determinants of white clover (Trifolium repens L.) content in a permanent pasture'. Annals of Botany, 88 :713-724. [Details] |
| Wachendorf, M., Collins, R.P., Elgersma, A., Fothergill, M., Frankow-lindberg, B.E., Ghesquiere, A., Guckert, A., Guinchard, M.P., Helgadottir, A., Lüscher, A., Nolan, T., Nykänen-kurki, P., Nösberger, J., Parente, G., Puzio, S., Rhodes, I., Robin, C., Ryan, A., Stäheli, B., Stoffel, S., Taube, F., Connolly, J.; (2001) 'Overwintering of Trifolium repens L. and Succeeding Growth: A Model Approach to Plant-Environment Interactions'. Annals of Botany, 88 :669-682. [Details] |
| Wachendorf, M., Collins, R.P., Connolly, J., Elgersma, A., Fothergill, M., Frankow-lindberg, B.E., Ghesquiere, A., Guckert, A., Guinchard, M.P., Helgadottir, A., Lüscher, A., Nolan, T., Nykänen-kurki, P., Nösberger, J., Parente, G., Puzio, S., Rhodes, I., Robin, C., Ryan, A., Stäheli, B., Stoffel, S., Taube, F.; (2001) 'Overwintering of Trifolium repens L. and Succeeding Growth: Results from a Common Protocol carried out at twelve european sites'. Annals of Botany, 88 :683-702. [Details] |
| Muldowney D, J Connolly and MG Keane; (2001) 'Compositional data analysis in the study of carcass composition of beef cattle'. Livestock Science, 67 :241-251. [Details] |
| J Connolly and M. Wachendorf; (2001) 'Developing multisite dynamic models of mixed species plant communities'. Annals of Botany, 88 :703-712. [Details] | |||||||||
| Wayne PM, AL Carnelli, J Connolly, & FA Bazzaz; (1999) 'The Density-Dependence of Plant Responses to Elevated CO2: I. Stand-Level Productivity'. Journal of Ecology, 87 :183-192. [Details] | |||||||||
| Gibson DJ, J Connolly, DC Hartnett & JD Weidenhamer.; (1999) 'Essay review: Designs for greenhouse studies of interactions between plants'. Journal of Ecology, 87 :1-16. [Details] | |||||||||
| Nolan T, Pulina G, Sikosana JLN and Connolly J; (1999) 'Mixed animal type grazin research under temperate and semi-arid conditions'. Outlook on Agriculture, 28 :117-128. [Details] | |||||||||
| Connolly J; (1997) 'Substitutive experiments and the evidence for competitive hierarchies in plant communities'. Oikos, 80 :179-182. [Details] | |||||||||
| Connolly, J and P Wayne; (1996) 'Asymmetric competition between plant species'. Oecologia, 108 :311-320. [Details] | |||||||||
| Connolly, J.; (1995) 'Efficiency of experimental designs for estimating common-row-and-column (CRAC) effects'. Journal of Agricultural Science, 124 :325-334. [Details] | |||||||||
| Keane M.G. P Allen, J. Connolly and G.J. More O'Ferrall; (1991) 'Chemical composition of carcass soft tissues of serially slaughtered HerefordxFriesian, Friesian and Charolais x Friesian steers finished on two diets differing in energy concentration'. Animal Production, 52 :93-104. [Details] | |||||||||
| Keane M.G. More O'Ferrall G.J., Connolly J. and Allen, P.; (1990) 'Carcass composition of serially slaughtered Friesian, HerefordxFriesian and Charolais x Friesian steers finished on two dietary energy levels'. Animal Production, 50 :231-243. [Details] | |||||||||
| Connolly, J., P. Wayne, and R. Murray,; (1990) 'Dynamic interactions of Stellaria media (L.)Vill. and Poa annua'. Oecologia, 82 :513-526. [Details] | |||||||||
| Menchaca, L. B. and J. Connolly,; (1990) 'Species interference in white clover - ryegrass mixtures'. Journal of Ecology, 78 :223-232. [Details] | |||||||||
| Keane M G, G J More O'Ferrall and J Connolly; (1989) 'Growth and carcass composition of Friesian, Limousin x Friesian and Blonde D'Aquitaine x Friesian steers'. Animal Production, 48 :353-365. [Details] | |||||||||
| Connolly, J., M. Fleming & P. Reid,; (1989) 'Routine testing of producers milk supplies for compositional quality using randomly selected samples'. Journal of the Society of Dairy Technology, 42 :42-47. [Details] | |||||||||
| Cunningham, E. P. and J.Connolly,; (1989) 'Efficient design of crossbreeding experiments'. Theoretical and Applied Genetics, 78 :381-386. [Details] | |||||||||
| Nolan T, J Connolly; (1989) 'Les recherches irlandaises sur le paturage mixte par des bovins et des ovins II- Vulgarisation et exploitation'. Fourrages, 118 :99-114. [Details] | |||||||||
| Nolan T. and Connolly, J.; (1989) 'Mixed versus mono grazing of steers and sheep'. Animal Production, 48 :519-533. [Details] | |||||||||
| Connolly, J; (1988) 'Experimental methods in plant competition research in crop-weed systems'. Weed Research, 28 :431-436. [Details] | |||||||||
| Connolly, J.; (1988) 'What is wrong with replacement series?'. Trends in Evolution and Ecology, 3 (1):24-26. [Details] | |||||||||
| Stakelum, G. Morgan, D. and Connolly J; (1988) 'The intake of herbage and performance of grazing dairy cows at high and low grazing pressure under rotational grazing'. Irish Journal of Agricultural Research, . [Details] | |||||||||
| Nolan T, J Connolly; (1988) 'Les recherches irlandaises sur le paturage mixte par des bovins et des ovins I - Bilan de 15 annees d'experimentation'. Fourrages, 113 :57-82. [Details] | |||||||||
| Connolly, J; (1987) 'On the use of response models in mixture experiments'. Oecologia, 72 :95-103. [Details] | |||||||||
| Stakelum, G. and J. Connolly,; (1987) 'Effect of body size and milk yield on intake of fresh herbage by lactating dairy cows indoors'. Irish Journal of Agricultural Research, 26 :9-22. [Details] | |||||||||
| Connolly, J.; (1986) 'On difficulties with replacement series methodology'. Journal of Applied Ecology, 23 :125-127. [Details] | |||||||||
| Gately, T.F., O'Keeffe, W. F. and Connolly, J.; (1984) 'Review of nitrogen and stocking rate experiments for milk production in Ireland'. Irish Journal of Agricultural Research, 23 :11-26. [Details] | |||||||||
| Ryan, M., W. F. O'Keeffe, J. Connolly, and D. Collins; (1984) 'The use of fertiliser nitrogen on grassland for beef production'. Irish Journal of Agricultural Research, 23 :27-40. [Details] | |||||||||
| Connolly, J. and Gliddon, C.; (1984) 'On the estimation of viabilities in competition experiments'. Heredity, 53 (3):527-543. [Details] | |||||||||
| Connolly, J and F. O'Connor; (1982) 'Examination of some factors affecting the accuracy of bulk-milk chemical composition using composite and random sampling methods'. Irish Journal of Agricultural Research, 21 :19-26. [Details] | |||||||||
| Connolly, J., V. Reilly and T. Hegarty; (1982) 'A personal computerised literature retrieval system'. Journal of Information Science, 4 :97-104. [Details] | |||||||||
| Egan, J., F. O'Connor and J. Connolly; (1981) 'Milk out rates for intramammary antibiotic preparations'. Irish Journal of Agriculture and Food Research, 5 :129-142. [Details] | |||||||||
| Connolly, J. and F. O'Connor; (1981) 'Comparison of random and composite sampling methods for the estimation of fat content of bulk milk supplies'. Irish Journal of Agricultural Research, 20 :35-51. [Details] | |||||||||
| Connolly, J.; (1981) 'Analysis of data in changing temperature experiments'. Journal of Thermal Biology, 6 :341-347. [Details] | |||||||||
| Joseph, R.L. and J. Connolly.; (1979) 'Measurement and prediction of tenderness in six beef muscles'. Meat Science, 3 :21-29. [Details] | |||||||||
| Connolly, J.; (1979) 'Prediction of the growth of organisms under conditions varying with time'. Proceedings Royal Irish Academy, Section A, 79 :271-280. [Details] | |||||||||
| Connolly, J. and L. Killen; (1978) 'Achieving growth targets in the cattle sector'. Irish Journal of Agricultural Research, 7 :1-7. [Details] | |||||||||
| Connolly, J.; (1978) 'The choice of animal type in grazing experiments'. Irish Journal of Agricultural Research, 17 :159-164. [Details] | |||||||||
| Joseph, R.L. and J. Connolly; (1977) 'The effects of suspension method, chilling rates and post mortem ageing on beef quality'. Journal of Food Science and Technology, 12 :231-247. [Details] | |||||||||
| O'Connor, F., J. Connolly and P. Horan; (1977) 'Fluctuations in the bacterial count of farm milk supplies and frequency of sampling'. Irish Journal of Food Science and Technology, 1 :137-14l. [Details] | |||||||||
| Griffiths, T. and J. Connolly; (1977) 'The use of statistical relationships from balance trials to estimate nutrient requirements of growing cattle'. Irish Journal of Agricultural Research, l6 :11-20. [Details] | |||||||||
| Cunningham, E.P. and J. Connolly; (1976) 'The effect of herd size and shortening of the breeding season on the cost of providing an Al service'. Irish Journal of Agricultural Research, 15 :107-lll. [Details] | |||||||||
| Nolan, T. and J. Connolly; (1976) 'Comparison of five ratios of cattle : sheep'. Irish Journal of Agricultural Research, 15 :137-140. [Details] | |||||||||
| Connolly, J.; (1976) 'A simple linear model for the gain stocking rate relationship. The design of grazing experiments.2'. Irish Journal of Agricultural Research, 15 :365-374. [Details] | |||||||||
| Connolly, J.; (1976) 'The design of grazing experiments.1. A general linear model for the gain stocking rate relationship'. Irish Journal of Agricultural Research, 15 :355-364. [Details] | |||||||||
| Connolly, J.; (1976) 'Some comments on the shape of the animal gain stocking rate curve'. Journal of Agricultural Science, 86 :103-109. [Details] | |||||||||
| Connolly, J. and T. Nolan; (1976) 'The design and analysis of mixed grazing experiments'. Animal Production, 23 :63-7l. [Details] | |||||||||
| Connolly, J. and M. Gardiner; (1975) 'Influence of soil and other factors on sugar beet yield'. Irish Journal of Agricultural Research, l4 :179-189. [Details] | |||||||||
| Joseph, R.L. and J. Connolly; (1974) 'Tenderness of bull and steer meat'. Irish Journal of Agricultural Research, 13 :307-322. [Details] | |||||||||
| Connolly, J.; (1974) 'Linear programming and the optimum carrying capacity of range under common use'. Journal of Agricultural Science, 83 :259-265. [Details] | |||||||||
| Connolly, J. and J. O'Shea; (1973) 'Field tests on two milk meter types'. Irish Journal of Agricultural Research, 12 :83-96. [Details] | |||||||||
| O'Shea, J., J. Palmer and J. Connolly; (1972) 'Performance tests on five milk meters'. Irish Journal of Agricultural Research, ll :159-173. [Details] | |||||||||
| Walsh, M.J., D. Kelleher and J. Connolly; (1971) 'Calf rearing 1. Effect of age of putting out to pasture on performance of spring born calves'. Irish Journal of Agricultural Research, 10 :81-94. [Details] | |||||||||
| Walsh, M.J., N.E. Downey and J. Connolly; (1971) 'Calf rearing 2. Comparison of three systems of grazing management, including observations on the occurrence of parasite bronchitis'. Irish Journal of Agricultural Research, 10 :161-172. [Details] | |||||||||
| Palmer J.M., M.G. Fleming, M.G. Mulcahy, L. Power, M.A. Moran and J. Connolly; (1970) 'Enlarged field trial of boiling water citric acid cleaning of bucket milking machines'. Irish Journal of Agricultural Research, 9 :179-186. [Details] | |||||||||
| Walsh J.P., P.V. Kinsella, J.M.A. Palmer and J. Connolly; (1970) 'Tests on the milking performance of six milking machines'. Irish Journal of Agricultural Research, 9 :127-141. [Details] | |||||||||
| Kennedy, N, Brodie, E, Connolly, J. and Clipson N; (0) 'Impact of lime, nitrogen, and plant species on fungal community structure in grassland microcosms'. Environmental Microbiology, . [Details] | |||||||||
| Kennedy N, Gleeson D, Connolly J & Clipson N; (0) 'Seasonal and management influences on bacterial community structure in an upland grassland soil'. Fems Microbial Ecology, . [Details] | |||||||||
| Gibson DJ, Millar K, Delong M, Connolly J, Kirwan L, Wood AJ, & Young BG ; (2007) 'The weed community affects yield and quality of soybean (glycine max (l.) merr.)'. Journal of the Science of Food and Agriculture, . [Details] | |||||||||
| Scallan Ú, Liliensiek Ak, Clipson N & Connolly J; (2007) 'RiboSort: a program for rapid classification and exploratory analysis of microbial community fingerprints'. Molecular Ecology Notes, . [Details] | |||||||||
| C. Brophy, D. J. Gibson, P.M. Wayne & J. Connolly; (2007) 'A modelling framework for analysing the reproductive output of individual plants grown in monoculture'. Ecological Modelling, 207 :99-108. [Details] | |||||||||
| Sheehan, C., Kirwan, L., Connolly, J. and Bolger, T. ; (2007) 'The effects of earthworm functional group diversity on nitrogen dynamics in soils'. Soil Biology and Biochemistry, . [Details] | |||||||||
| Hawkins MJ, Hyde BP, Ryan M, Schulte RPO & Connolly J; (2007) 'An empirical model and scenario analysis of nitrous oxide emissions from a fertilised and grazed grassland site in Ireland'. Annals of Applied Biology, . [Details] | |||||||||
| Suter, M; Ramseier, D; Guesewell, S; Connolly, J ; (2007) 'Convergence patterns and multiple species interactions in a designed plant mixture of five species'. Oecologia, . [Details] | |||||||||
| M. Ryan, C. Brophy, J. Connolly, K. McNamara, O.T. Carton.; (2007) 'Monitoring of Nitrogen Leaching on a Dairy Farm during four drainage seasons, 2001 to 2005'. Irish Journal of Agriculture and Food Research, . [Details] | |||||||||
| Suter M, Siegrist-Maag S, Connolly J & Lüscher A; (2007) 'Can the occurrence of Senecio jacobaea be influenced by management practice?'. Weed Research, . [Details] | |||||||||
| Sheehan, C., Kirwan, L., Connolly, J. and Bolger, T. ; (2007) 'The effects of earthworm functional group diversity on earthworm community structure'. Pedobiologia, . [Details] | |||||||||
| Kirwan L, A. Lüscher, M.T. Sebastià, J.A. Finn, R.P. Collins, C. Porqueddu, A. Helgadottir, O.H. Baadshaug, C. Brophy, C. Coran, S. Dalmannsdóttir, I. Delgado, A. Elgersma, M. Fothergill, B.E. Frankow-Lindberg, P. Golinski, P. Grieu, A.M. Gustavsson, M. Höglind, O. Huguenin-Elie, C. Iliadis, M. Jørgensen, Z. Kadziuliene, T. Karyotis, T. Lunnan, M. Malengier, S. Maltoni, V. Meyer, D. Nyfeler, P. Nykanen-Kurki, J. Parente, H.J. Smit, U. Thumm, J. Connolly; (2007) 'Evenness drives consistent diversity effects in intensive grassland systems across 28 European sites'. Journal of Ecology, . [Details] | |||||||||
| Kennedy, NM; Gleeson, DE; Connolly, J; Clipson, NJW; ; (2005) 'Seasonal and management influences on bacterial community structure in an upland grassland soil'. FEMS Microbiology Ecology, 53 (3):329-337. [Details] | |||||||||
| Kennedy N, Gleeson D, Connolly J & Clipson N; (2005) 'Seasonal and management influences on bacterial community structure in an upland grassland soil'. Fems Microbial Ecology, 53 :329-337. [Details] | |||||||||
| Kennedy, N, Connolly, J. and Clipson N; (2005) 'Impact of lime, nitrogen, and plant species on fungal community structure in grassland microcosms'. Environmental Microbiology, 7 :780-788. [Details] | |||||||||
| Connolly J & Wayne P; (2005) 'Assessing determinants of community biomass composition in two-species plant competition studies'. Oecologia, 142 (3):450-457. [Details] | |||||||||
| Ramseier D, Connolly J & Bazzaz FA; (2005) 'Carbon dioxide regime, species identity and influence of species initial abundance as determinants of change in stand biomass composition in five-species communities: an investigation using a simplex design and RGRD analysis'. Journal of Ecology, 93 (3):502-511. [Details] | |||||||||
| Linnane, M., Horan, B., Connolly, J., OConnor, P., Buckley, F. and Dillon, P.; (2004) 'The effect of strain of Holstein-Friesian and feeding system on grazing behaviour, herbage intake and productivity in the first lactation'. Journal of Animal Science, 78 :169-178. [Details] | |||||||||
| Kennedy, N, Brodie, E, Connolly, J. and Clipson N ; (2004) 'Impact of lime, nitrogen, and plant species on bacterial community structure in grassland microcosms'. Environmental Microbiology, 6 :1070-1080. [Details] | |||||||||
| Lovett D, Lovell S, Stack L, Callan J, Finlay M, Connolly J, OMara FP; (2003) 'Effect of forage:concentrate ratio and dietary coconut oil level on methane output and performance of finishing beef heifers. , (in press)'. Livestock Science, 84 :135-146. [Details] | |||||||||
| ODonovan M, Connolly J, Dillon P, Rath M and Stakelum G; (2002) 'Visual assessment of herbage mass'. Irish Journal of Agriculture and Food Research, 41 :201-211. [Details] | |||||||||
| Murphy MD, Coulter BS, Noonan DG and Connolly J.; (2002) 'The Effect of Sulphur Fertilisation on Grass Growth and Animal Performance'. Irish Journal of Agricultural Research, 41 :1-15. [Details] | |||||||||
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| Purvis G, Bolger T, Breen, J, Connolly J, Curry J, Finn J, Kelly-Quinn M, Kennedy T, Schmidt O, Schulte R, Whelan J.; (2005) 'The significance of biodiversity in agriculture: relevance, aims and progress of the Ag-Biota project' Tearman . [Details] |
| ; [Details] |
| Association: COST852 2002-2006, Function/Role: Vice-Chair |
| Association: European Concerted Action on Agricultural Statistics, Function/Role: Irish Representative |
| Association: European Network of Population Biology, Function/Role: Member |
| Association: ESF Network of Population Ecology and Genetics, Function/Role: Member |
| Caroline Brophy, - Thesis Supervisor |
| Una Scallan, - Thesis Supervisor |
| Una Scallan, - Thesis Supervisor |
| Timothee Carnus, - Thesis Supervisor |
