Biology, Ecology and Management of Aquatic Plants: Proceedings of the 10th International Symposium on Aquatic Weeds, European Weed Research Society

Front Matter....Pages i-x
Propagule bank and plant emergence of macrophytes in artificial channels of a temperate irrigation area in Argentina....Pages 1-5
Modelling Potamogeton pectinatus : for better or for worse....Pages 7-11
Effects of Cyprinus carpio on Potamogeton pectinatus in experimental culture: the incidence of the periphyton....Pages 13-19
Survival strategy of Pistia stratiotes L. in the Djoudj National Park in Senegal....Pages 21-27
Comparative ecology of Monochoria korsakowii and M. vaginalis ....Pages 29-33
Competition between three submerged macrophytes, Elodea canadensis Michx, Elodea nuttallii (Planch.) St John and Lagarosiphon major (Ridl.) Moss....Pages 35-40
Metals in sediment and water of three reed ( Phragmites australis (Cav.) Trin. ex Stend.) stands....Pages 41-45
Heavy metal content of common reed ( Phragmites australis /Cay./Trin. ex Steudel) and its periphyton in Hungarian shallow standing waters....Pages 47-53
Gas transfer in wetland plants controlled by Graham’s law of diffusion....Pages 55-58
Aquatic plants in the rice fields of the Tagus Valley, Portugal....Pages 59-65
Plant communities of the lagoons of the Portuguese Coastal Superdistrict — a multivariate approach....Pages 67-75
The use of isozymes and PCR-based DNA polymorphism in aquatic weed management: a case-study on introduced and native clones of a hybrid complex....Pages 77-85
Methodologies for surveying plant communities in artificial channels....Pages 87-91
Interrelations of river ship traffic with aquatic plants in the River Nile, Upper Egypt....Pages 93-100
River plants from an Iberian basin and environmental factors influencing their distribution....Pages 101-107
Macrophyte cover and standing crop in the River Scorff and its tributaries (Brittany, northwestern France): scale, patterns and process....Pages 109-115
Relationships of some ecological factors with the associations of vegetation in British rivers....Pages 117-122
Distribution of the morphological groups of aquatic plants for rivers in the U.K.....Pages 123-130
Macrophyte functional variables versus species assemblages as predictors of trophic status in flowing waters....Pages 131-138
Vegetation dynamics in a fishpond littoral related to human impact....Pages 139-145
Aquatic macrophyte distribution in relation to water and sediment conditions in the Itaipu Reservoir, Brazil....Pages 147-154
Influence of water level fluctuation on the structure and composition of the macrophyte vegetation in two small temporary lakes in the northwest of Spain....Pages 155-162
Environmental factors related to the establishment of algal mats in concrete irrigation channels....Pages 163-168
Invertebrate hydraulic microhabitat and community structure in Callitriche stagnalis Scop. patches....Pages 169-176
Habitat conditions of nymphaeid associations in Poland....Pages 177-185
Classification of Danube Delta lakes based on aquatic vegetation and turbidity....Pages 187-191
The distribution in bankside habitats of three alien invasive plants in the U.K. in relation to the development of control strategies....Pages 193-201
 Azolla filiculoides Lamarck (Pteridophyta: Azollaceae), its status in South Africa and control....Pages 203-206
Loss of native aquatic plant species in a community dominated by Eurasian watermilfoil....Pages 207-211
 Spartina patens as a weed in Galician saltmarshes (NW Iberian Peninsula)....Pages 213-222
Phenology and long-term control of Heracleum mantegazzianum ....Pages 223-228
Aquatic weeds and their management in Portugal: insights and the international context....Pages 229-234
Integrated submerged aquatic vegetation management in an urban New Zealand river....Pages 235-241
Succession of Egeria densa in a drinking water reservoir in Morbihan (France)....Pages 243-247
 Typha control efficiency of a weed-cutting boat in the Lac de Guiers in Senegal: a preliminary study on mowing speed and re-growth capacity....Pages 249-255
Aquatic plant management: ecological effects in two streams of the Swiss Plateau....Pages 257-263
Submerged macrophyte control with herbivorous fish in irrigation channels of semiarid Argentina....Pages 265-269
 Lysathia n.sp. (Coleoptera: Chrysomelidae), a host-specific beetle for the control of the aquatic weed Myriophyllum aquaticum (Haloragaceae) in South Africa....Pages 271-276
Fate of dichlobenil in the River Ivel. 1: Determination of the residues of dichlobenil in sediment and water....Pages 277-282
Fate of dichlobenil in the River Ivel. 2: Effects of dichlobenil residues on hydroponically grown lettuce....Pages 283-287
Resistance of Alisma plantago aquatica to sulfonylurea herbicides in Portuguese rice fields....Pages 289-293
Ecology, distribution and chemical control of Hydrocotyle ranunculoides in the U.K.....Pages 295-298
Chemical control of common reed ( Phragmites australis ) by foliar herbicides under different spray conditions....Pages 299-304
Effect of prior common reed ( Phragmites australis ) cutting on herbicide efficacy....Pages 305-308
Long-term algal control in a reservoir using barley straw....Pages 309-313
Filamentous algal control using barley straw....Pages 315-318
Preliminary observations on the control of algal growth by magnetic treatment of water....Pages 319-322
Biomass characterization of Azolla filiculoides grown in natural ecosystems and wastewater....Pages 323-327
Residual effects of herbicide-treated Eichhornia crassipes used as a soil amendment....Pages 329-333
A simple model for evaluating the costs and benefits of aquatic macrophytes....Pages 335-339