We thank V. Yashchenko for help with culture maintenance. Financial support was provided by the Research Council of Norway, FRIPRO programme, project 'Eco-evolutionary dynamics of thermal reaction norms' (Project 230482), and partly by the Research Council of Norway through its Centres of Excellence funding scheme, project number 223257/F50 and the
Dispersal success is crucial for the survival of species in metacommunities. Zooplankton species engage in dispersal through time (i.e., egg bank) and space (i.e., vectors) by means of resting eggs. However, dispersal to patches does not equate to successful colonization, as there is a clear distinction between dispersal rates and successful colonization. We performed a field mesocosm experiment assessing dispersal and colonization success of zooplankton from resting eggs or transport via directional wind/airborne and biotic vectors in the vicinity of three ponds. By using active vs. sterile pond sediments and mesh-covered vs. open mesocosms, we disentangled the two mechanisms of dispersal, i.e., from the egg bank vs. space. We found that for both rotifers and cladocerans, sediment type, mesh cover and duration of the experiment influenced species richness and species composition. The relative contribution of resting stages to dispersal and colonization success was substantial for both rotifers and cladocerans. However, wind/airborne dispersal was relatively weak for cladocerans when compared to rotifers, whereas biotic vectors contributed to dispersal success especially for cladocerans. Our study demonstrates that dispersal and colonization success of zooplankton species strongly depends on the dispersal mode and that different dispersal vectors can generate distinct community composition.
To those who contributed to the success of this conference my sincere thanks go especially to the many able members of the Organising Committee and the Kew Organising Staff, who are individually mentioned in this volume, and also to the delegates and participants who combined through their support and contributions to give a real meaning and relevance to these proceedings.My thanks are also due to Dr Andreas Rannestad, Secretary of the NATO Eco-Sciences Panel, who administered the NATO financial help that made this conference possible. Finally my thanks go to my co-editors for their help in producing this volume and to Mr D.V. Field for preparing the Index.
Directed to the Standing Committee13.71 The Standing Committee, in consultation with the Secretariat, Parties and relevant organizations, shall develop a process for consideration of specimens of personal and household effects of Appendix-II species which may need to have quantitative limits set to be exempted from permitting requirements according to Article VII, paragraph 3, of the Convention at the 14th meeting of the Conference of the Parties. Non-commercial loan, donation or exchange of museum and herbarium specimensDirected to the Secretariat 12.79 The Secretariat shall develop a brochure that will illustrate the importance of registering scientific institutions under Article VII, paragraph 6, of the Convention and demonstrate how the registration procedures can be applied in a simplified manner. Artificially propagated plants Directed to the Plants Committee13.72 The Plants Committee shall monitor the effects of implementing the revised definition of 'artificially propagated' contained in Resolution Conf. 11.11 (Rev. CoP13), pertaining to the production of specimens of Appendix-I species grown from wild-collected seeds and spores, and report their findings at the 14th meeting of the Conference of the Parties. This report shall particularly note any adverse effects on the conservation of Appendix-I species that have been subject to this revised definition. Directed to the Secretariat 13.73The Secretariat shall consider the revised definition of 'artificially propagated' contained in Resolution Conf. 11.11 (Rev. CoP13) and make only the necessary changes in Resolution Conf. 9.19 to remove any inconsistency between the two Resolutions that may have been caused by revising the definition of 'artificially propagated'. National wildlife trade policy reviewsDirected to the Secretariat 13.74 Contingent on the availability of external funding, the Secretariat shall, in collaboration with interested Parties and building on the findings and recommendations of the workshop on trade policy and economic incentives (Geneva, 2003):a) conduct, in cooperation with the Parties, a review of their national policies regarding the use of and trade in specimens of CITES-listed species, taking into account economic incentives, production systems, consumption patterns, market access strategies, price structures, certification schemes, CITES-relevant taxation and subsidy schemes, property rights, mechanisms for benefit sharing and
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