11 



end of the growing season, the seed bank (created in this case by 

 transplanting) will persist for only a few years (Lesica 1990) . 

 Lastly, it is hoped that the transplant experiments will provide 

 an assessment of the feasibility of these techniques in 

 augmenting or recovering populations of H. aquatilis . 



VI. STUDY RECOMMENDATIONS 



During continuation of these studies in 1990, the following goals 

 should be emphasized: 



1.) continuation of line transect monitoring studies. After 



completion of these studies in 1990, a critical evaluation 

 of the method should be made, as it is disruptive to the 

 habitat and may not be providing meaningful information on 

 population trends. Periodic checks of populations, and 

 estimates of their size, may be the most effective, least 

 disturbing approach. 



2.) conduct studies of the pond drying dates for selected 



locations, to determine more closely the influence that this 

 factor may have on the abundance of H. aquatilis in the 

 subsequent year. 



3.) monitor the transplant locations, to determine success and 

 assess the feasibility of this method for augmenting and/or 

 recovering populations. 



4.) resurvey known occurrences that were monitored in 1987 and 

 1989, to continue population size/trend studies. 



5.) continue inventory of previously unsurveyed habitats; this 



study goal should be largely completed during the 1990 field 

 season. 



