
Assoc/Prof Erik Veneklaas
Location
Room 2104, Agriculture Central Wing Building, Crawley campus
Key research
- Water relations of native plant species
- Water balance of species-rich woodlands and different species’ roles in it
- Phosphorus acquisition and root exudates of native and crop species
- ‘Universal trends’ in leaf traits and plant growth forms
- Tree health in altered and rehabilitated ecosystems
Major research interests
- Carbon balance
- Plant functioning in natural, degraded and rehabilitated ecosystems
- Plant physiology/ecology
- Root exudates and P acquisition
- Water and nutrient use
Qualifications
PhD Utrecht
Publications
Journal articles and book chapters:
Popma, J., F. Bongers, M. Martinez R. and E. Veneklaas (1988). Pioneer species distribution in treefall gaps in neotropical rain forest; a gap definition and its consequences. Journal of Tropical Ecology 4: 77 88.
Veneklaas, E.J. & R. van Ek (1990). Rainfall interception in two tropical montane rain forests, Colombia. Hydrological Processes 4:311-326.
van Leerdam, A., Zagt, R,J., & Veneklaas, E.J. (1990). The distribution of epiphyte growth-forms in the canopy of a Colombian cloud-forest. Vegetatio 87:59-71.
Veneklaas, E.J. (1990). Nutrient fluxes in bulk precipitation and throughfall in two montane tropical rain forests, Colombia. Journal of Ecology 78:974-992.
Veneklaas, E.J., Zagt, R.J., van Leerdam, A., van Ek, R., Broekhoven, A.J. & van Genderen, M. (1990). Hydrological properties of the epiphyte mass of a montane tropical rain forest, Colombia. Vegetatio 89:183-192.
Veneklaas, E.J. (1990). Rainfall interception and aboveground nutrient fluxes in two Colombian montane rain forests. Dissertation, Utrecht University.
Veneklaas, E.J. (1991). Litterfall and nutrient fluxes in two montane tropical rain forests, Colombia. Journal of Tropical Ecology 7:319-336.
Veneklaas, E.J. & Peacock, J.M. (1994). Growth, biomass allocation and water use efficiency of two wheat cultivars in a Mediterranean environment; a pot experiment under field conditions. Plant and Soil 162:241-247.
Veneklaas, E.J. & Van den Boogaard, H.A.G.M. (1994). Leaf age-structure effects on plant water use and photosynthesis of two wheat cultivars. New Phytologist 128:331-337.
Van den Boogaard, R., Kostadinova, S., Veneklaas, E. & Lambers, H. (1995). Association of water use efficiency and nitrogen use efficiency with photosynthetic characteristics of two wheat cultivars. Journal of Experimental Botany 46:1429-1438.
Lambers, H., Van den Boogaard, R, Veneklaas, E.J & Villar, R. (1995). Effects of global environmental change on carbon partitioning in vegetative plants of Triticum aestivum and closely related Aegilops species. Global Change Biology 1:397-406.
Van den Boogaard, R., De Boer, M., Veneklaas, E.J. & Lambers, H. (1996). Relative growth rate, biomass allocation pattern and water use efficiency of three wheat cultivars during early ontogeny as dependent on water availability. Physiologia Plantarum 98:493-504.
Van den Boogaard, R., Goubitz, S., Veneklaas, E.J. & Lambers, H. (1996). Carbon and nitrogen economy of four Triticum aestivum cultivars differing in relative growth rate and water use efficiency. Plant, Cell and Environment 19:998-1004.
Van den Boogaard, R., Veneklaas, E.J., Peacock, J.M. & Lambers, H. (1996). Yield and water use of wheat (Triticum aestivum) in a Mediterranean environment: cultivar differences and sowing density effects. Plant and Soil 181:251-262.
Van den Boogaard, R., Veneklaas, E.J. & Lambers, H. (1996). The association of biomass allocation with growth and water use efficiency of two Triticum aestivum cultivars. Australian Journal of Plant Physiology 23:751-761.
Veneklaas, E.J. (1996). Water and nutrient fluxes in two montane rain forest canopies, Cordillera Central, Colombia. Pp. 463-474 in: Van der Hammen, T. & Dos Santos, J. (eds), Studies on Tropical Andean Ecosystems, Vol. 4. Cramer, Berlin.
Van den Boogaard, R., Alewijnse, D., Veneklaas, E.J. & Lambers, H. (1997). Growth and water-use efficiency of ten Triticum aestivum cultivars at different water availability in relation to allocation of biomass. Plant, Cell and Environment 20:200-210.
Smith, J., Mourato, S., Veneklaas, E., Labarta, R., Reategui, K. & Sanchez, G. (1997). Willingness to pay for environmental services among slash-and-burn farmers in the Peruvian Amazon: implications for deforestation and global environmental markets. Joint CSERGE/CIAT/ICRAF Working Paper, Cserge, London.
Beaulieu, N. , Veneklaas, E.J. & Bell, W. (1997). Using SAR images to locate gaps in the riparian forests of Colombian tropical lowlands. GIS awareness package in agricultural research. UNEP/SEIA/TR97-9. 1 page.
Fujisaka, S., Escobar, G. & Veneklaas, E.J. (1998). Plant community diversity relative to human land uses in an Amazon forest colony. Biodiversity and Conservation 7:41-57.
Bruynzeel, L.A & Veneklaas, E.J. (1998). Climatic conditions and tropical montane forest productivity: the fog has not lifted yet. Ecology 79:3-9.
Veneklaas, E.J. & Poorter, L. (1998). Growth and carbon partitioning of tropical tree seedlings in contrasting light environments. In: Lambers, H., Poorter, H. & Van Vuuren, M.M.I. (eds), Inherent Variation in Plant Growth; Physiological Mechanisms and Ecological Consequences. Pp. 337-361. Backhuys Publishers, Leiden.
Fujisaka, S., Castilla, C., Escobar, G., Rodriques, V., Veneklaas, E J., Thomas, R. & Fisher, M. (1998). The effects of forest conversion to annual crops and pastures: estimates of carbon emissions and plant species loss in a Brazilian Amazon colony. Agriculture Ecosystems & Environment 69. 17-26.
Villar, R., Veneklaas, E.J., Jordano, P. & Lambers, H. (1998). Relative growth rate and biomass allocation in 20 Aegilops (Poaceae) species. New Phytologist 140:425-437.
Beaulieu, N., Puig, J., Fujisaka, S. & Veneklaas, E.J. (1999). The use of JERS-1 images in CIAT’s benchmark sites in Puerto Lopez, Colombia and Pucallpa, Peru. In: JERS-1 Science Programs ’99 PI reports. Global Forest Monitoring and SAR Interferometry. Earth Observation Center, NASDA, Japan. Pp. 7-12.
Fujisaka, S., Escobar, G., Veneklaas, E.J. (2000). Weedy fields and forests: interactions between land use and the composition of plant communities in the Peruvian Amazon. Agriculture Ecosystems & Environment. 78:175-186.
Hafkenscheid, R.L.L.J., Veneklaas, E.J. & Bruynzeel, L.A. (2000). Photosynthetic, isotopic and stomatal characteristics of principal tree species in montane forest of contrasting stature in the Blue Mountains of Jamaica. In: Hafkenscheid, R.L.L.J. (PhD thesis), Hydrology and biogeochemistry of tropical montane rainforest of contrasting stature in the Blue Mountains of Jamaica. Pp 125-142. (to be submitted to a journal).
De Vos, M., Shane, M.W., Cawthray, G.R., Veneklaas, E.J. and Lambers, H. (2001). Internal phosphorus concentration modifies the initiation, growth and functioning of cluster roots in Hakea prostrata R. Br. In: Horst, W.J. et al., Plant Nutrition. Food security and sustainability of agro-ecosystems through basic and applied research. Pp 578-579.
Veneklaas, E.J., Santos Silva, M.P.R.M., den Ouden, F. (2002). Determinants of growth rate in Ficus benjamina L. compared to related faster-growing woody and herbaceous species. Scientia Horticulturae 93:75-84.
Lambers, H., Juniper, D. Cawthray, G.R., Veneklaas, E.J. & Martínez-Ferri, E. (2002). The pattern of carboxylate exudation in Banksia grandis (Proteaceae) is affected by the form of phosphate added to the soil. Plant & Soil 238:111-122.
Veneklaas, E.J., Fajardo, A., Obregon, S. & Lozano, J. (in prep). Gallery forest types and their environmental correlates in a Colombian savanna landscape.
Beaulieu, N., Veneklaas, E.J., Fajardo, A., Crawford, E. & Jaramillo, J. (in prep). The gallery forest in the savannahs of the Colombian llanos as seen through JERS-1: opportunities for use of L-band radar in local planning and monitoring. International Journal of Remote Sensing.
Lambers, H., Cramer, M.D., Shane, M.W., Wouterlood, M., Poot, P. & Veneklaas, E.J. (2002). Structure and functioning of cluster roots and plant responses to phosphate deficiency. Plant & Soil 248:ix-xix.
Veneklaas, E.J., Stevens, J., Cawthray, G.R., Turner, S., Grigg, A.M. & Lambers, H. (2003). Chickpea and white lupin rhizosphere carboxylates vary with soil properties and enhance phosphorus uptake. Plant & Soil 248:187-197.
Veneklaas, E.J. & Poot, P. (2003). Seasonal patterns in water use and leaf turnover of different plant functional types in a species-rich woodland, south-western Australia. Plant & Soil 257:295-304.
Wouterlood, M., Cawthray, G.R., Turner, S., Lambers, H. & Veneklaas, E.J. (in press). Rhizosphere carboxylate concentrations of chickpea are affected by genotype and soil type. Plant & Soil.
Veneklaas, E.J. & den Ouden, F. (in prep). Dynamics of non-structural carbohydrates in two Ficus species in response to shading.
Internal reports
Veneklaas, E.J., Obregon, S., Fajardo, A., Lozano, J. & Beaulieu, N. (1998). Forests in the Colombian savanna: distribution, dynamics and conservation. Internal report CIAT. 25 pp. (in process for submission to journal).
Veneklaas, E.J., Lozano, J., Ziebell, A.P., Chavez, L.F. & Amézquita, E. (1998). The importance of high Andean native ecosystems for the water supply of a downstream region in Carchi, Ecuador. Internal report CIAT. 29 pp. (presented to an electronic conference on Andean grasslands, May 2000; in process for submission to journal).
Roles, responsibilities and expertise
Tropical ecosystem and landscape ecology
Forest ecology
Rain and cloud water interception
Nutrient cycling
Dryland crop water use
Woody plant growth
Funding received
1993-1996. Veneklaas & Lambers. Productivity and plasticity of woody tropical indoor plants. STW (Dutch Technology Foundation). $250,000.
1999-2000. Veneklaas & Lambers: Is rarity of species in the Banksia genus associated with highly specialised nutrient acquisition mechanisms? Australian Flora Foundation. $6,000.
1999-2002. Lambers, Jasper & Veneklaas: The ecophysiology of restoration of arid-zone mine sites. ARC-SPIRT scheme. Industry partners: Kings Park and Botanic Gardens, Straits Resources Ltd. $135,000.
1999-2000. Lambers & Veneklaas: Exploiting chickpea’s potential to unlock phosphorus from P-fixing soils. Grain Research Committee. $23,000.
2001. Veneklaas: The importance of root exudates for the nutrition and distribution of Western Australia’s Banksia species. Small Grant, UWA/ARC. $5,000.
2001. Veneklaas. Establishing the cause of sudden autumn death in Banksia species. UWA Faculty of Agriculture Bequest Fund. $7,000.
2001. Lambers, Dixon, Veneklaas. Establishing the cause of sudden autumn death in Banksia species. Kings Park and Botanic Garden grant. $9,000.
2001-2004. Lambers, Veneklaas, Bolland: Increased benefits of phosphorus fertiliser through the use of grain legume species. Grains Research and Development Corporation. $120,000.
2001-2004. Lambers, Veneklaas & Koch: An ecophysiological analysis of key factors determining jarrah forest rehabilitation success. Australian Research Council. $69,000.
2001-2004. Lambers, Bolland, Bowden & Veneklaas. An ecophysiological analysis of the response to phosphate fertiliser of different lupin species, canola and wheat on phosphate-fixing soil. Australian Research Council, Linkage Grant. Industry partners: Department of Agriculture, WA, and CSBP fertilizers. $240,000.
2002. Veneklaas: Identifying the cause of sudden autumn death of Banksias. UWA small research grant. $5,000.
2002-2005. Veneklaas, Lambers, Mcgrath & Dixon. Wandoo crown decline - an ecophysiological diagnosis. Australian Research Council, Linkage Grant. Industry partners: CALM, WA, and Botanic Gardens and Parks Authority, WA. $125,000.
Languages
English
Spanish
Dutch
Memberships
British Ecological Society
Association for Tropical Biology
Australian Society of Plant Scientists
Ecological Society of Australia
Previous positions
1990-1993. Postdoctoral fellow, Utrecht University, Department of Plant Ecology and Evolutionary Biology and International Center for Agricultural Research in the Dry Areas (ICARDA), Aleppo, Syria. Efficiency of water use in wheat under dryland conditions.
1993-1995. Postdoctoral fellow, Utrecht University, Department of Plant Ecology and Evolutionary Biology. Productivity and plasticity of woody tropical plants.
1996-1998. Senior research fellow: Tropical ecologist, Centro Internacional de Agricultura Tropical (CIAT), Land Use Program, Cali, Colombia.
Teaching
700.101 Ecosystems Processes, module 1: Basics of Ecology
763.309 Forest Ecology and Management
763.301 Plant Physiological Ecology
Supervision of student research projects:
Undergraduates: average of three per year
Postgraduates: currently ten
Research profile