CAES: Anderson Pond - 2012

{Anderson Pond}
Anderson Pond, North Stonington - 2012
 
 
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   Anderson pond is a 50 acre public pond in North Stonington, CT. There is public boat access on the northeast side of the pond for carry in boats only. The pond's shoreline is intermittently developed with many wooded areas. Our 2012 CAES IAPP survey is a re-survey from 2004 where 18 species were recorded. Our 2012 survey found 26 native aquatic species and three invasive species Cabomba caroliniana (fanwort), Myriophyllum heterophyllum (variable-leaf water milfoil), and Najas minor (brittle waternymph). Both C. caroliniana and M. heterophyllum were present in the 2004 survey, however, N. minor was only found in 2012.
 

   The CAES IAPP 2012 survey found considerable differences in invasive species location. In 2004 M. heterophyllum was the most dominant plant, and C. caroliniana was reserved to two coves in the northern section of the lake. In 2012 C. caroliniana was found to be co-dominant with M. heterophyllum coating a vast majority of the lake.

 

   Three native lily pads (Brasenia schreberi, Nuphar variegata and Nymphaea odorata) growing in dense patches throughout the pond above C. caroliniana and M. heterophyllum. Elatine species and Eleocharis species were the most prevalent shoreline species, spanning across a bulk of the southern shoreline. Potamogeton natans was commonly found growing in patches of lily pads around the shoreline and in coves. Four Utricularia species were found including: Utricularia gibba (humped bladderwort), Utricularia macrorhiza (common bladderwort), Utricularia purpurea (purple bladderwort) and Utricularia radiata (floating bladderwort).

 

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Species recorded in our 2012 survey of Anderson Pond. Click on plant to view herbarium mount. (invasive species in bold)
Pontederia cordata
Potamogeton bicupulatus
Potamogeton foliosus

 

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Content Last Modified on 5/2/2013 3:46:57 PM