Macrophytes in Aquatic Ecosystems: From Biology to Management: Proceedings of the 11th International Symposium on Aquatic Weeds, European Weed Research Society

Front Matter....Pages i-xi
Front Matter....Pages 1-1
Invasive river plants from Portuguese floodplains: What can species attributes tell us?....Pages 3-9
Relationships between macrophytic vegetation and physical features of river habitats: the need for a morphological approach....Pages 11-17
Morphological variation in Eichhornia azurea (Kunth) and Eichhornia crassipes (Mart.) Solms in relation to aquatic vegetation type and the environment in the floodplain of the Rio Paraná, Brazil....Pages 19-25
Changes in the allocation of some chemical compounds in structures of Oryza glumaepatula (Steud) in an Amazonian lake subjected to an anthropic impact (Lake Batata, Porto Trombetas)....Pages 27-33
Primary production of Utricularia foliosa L., Egeria densa Planchon and Cabomba furcata Schult & Schult.f from rivers of the coastal plain of the State of São Paulo, Brazil....Pages 35-39
An experimental study of the plastic responses of Ranunculus peltatus Schrank to four environmental parameters....Pages 41-46
The response of Ceratophyllum demersum L. and Myriophyllum spicatum L. to reduced, ambient, and enhanced ultraviolet-B radiation....Pages 47-51
Effect of reservoir drawdown on biomass of three species of aquatic macrophytes in a large sub-tropical reservoir (Itaipu, Brazil)....Pages 53-59
Populations of Myriophyllum alterniflorum L. as bioindicators of pollution in acidic to neutral rivers in the Limousin region....Pages 61-65
Aquatic plant bioassays used in the assessment of water quality in German rivers....Pages 67-71
The relationship between Callitriche L. clones and environmental variables using genotyping....Pages 73-77
Assessing and predicting the success of Najas flexilis (Willd.) Rostk. & Schmidt, a rare European aquatic macrophyte, in relation to lake environmental conditions....Pages 79-86
Front Matter....Pages 87-87
Seasonal variability in the palatability of freshwater macrophytes: a case study....Pages 89-93
Recovery of Potamogeton pectinatus L. stands in a shallow eutrophic lake under extreme grazing pressure....Pages 95-99
Shoreline vegetation of Lake Nubia, Sudan....Pages 101-105
Stoneworts ( Characeae ) and associated macrophyte species as indicators of water quality and human activities in the Pays-de-la-Loire region, France....Pages 107-115
Habitat variability of the Littorelletea uniflorae plant communities in Polish Lobelia lakes....Pages 117-126
The possibility of submerged macrophyte recovery from a propagule bank in the eutrophic Lake Mikołajskie (North Poland)....Pages 127-131
Factors influencing the distribution of aquatic plant communities in Irish canals....Pages 133-139
Evaluation of the status of lakes located in the City of Olsztyn (Masurian Lake District, N-E Poland) by the macrophytoindication method (MPhI)....Pages 141-146
Front Matter....Pages 87-87
Aquatic plants as environmental indicators of ecological condition in New Zealand lakes....Pages 147-151
A new method to assess water trophy and organic pollution — the Macrophyte Biological Index for Rivers (IBMR): its application to different types of river and pollution....Pages 153-158
Comparison of different biological indices for the assessment of river quality: application to the upper river Moselle (France)....Pages 159-164
A comparison of macrophyte indices in headwaters of rivers in Flanders (Belgium)....Pages 165-171
Front Matter....Pages 173-173
The prediction of macrophyte species occurrence in Swiss ponds....Pages 175-182
Risk assessment method for submerged weeds in New Zealand hydroelectric lakes....Pages 183-188
Predicting interactions between wetland vegetation and the soil-water and surface-water environment using diversity, abundance and attribute values....Pages 189-196
Richness and structure of plant communities in temporary pools from western Morocco: influence of human activities....Pages 197-203
Ecological management of aquatic plants: effects in lowland streams....Pages 205-210
Control of Myriophyllum verticillatum L. in Irish canals by turion removal....Pages 211-215
The potential for biological control of invasive alien aquatic weeds in Europe: a review....Pages 217-222
Factors influencing the distribution of Hydrocharis morsus-ranae L. and Rumex hydrolapathum Huds. in a mowed low-lying marshland, Réserve de Cheyres, lac de Neuchâtel, Switzerland....Pages 223-229
Evaluating the necessity of additional aquatic plant testing by comparing the sensitivities of different species....Pages 231-236
Plasticity of Lythrum salicaria and Phragmites australis growth characteristics across a European geographical gradient....Pages 237-242
Use of Geographic Information Systems to monitor and predict non-native aquatic plant dispersal through north-eastern North America....Pages 243-248
Present distribution of the genus Elodea in the Alsatian Upper Rhine floodplain (France) with a special focus on the expansion of Elodea nuttallii St. John during recent decades....Pages 249-255
Invasibility of four plant communities in the Llobregat delta (Catalonia, NE of Spain) in relation to their historical stability....Pages 257-263