Extreme clonal uniformity of Phoxinus eos/neogaeus gynogens (pisces: Cyprinidae) among variable habitats in northern Minnesota beaver ponds.

Genetic surveys of parthenogenetic vertebrate populations have demonstrated a common pattern of relatively high degrees of clonal variation and the coexistence of numerous clones. In striking contrast, the Phoxinus eos/Phoxinus neogaeus/hybrid gynogen complex of cyprinid fishes exhibits no clonal variation within a northern Minnesota drainage characterized by successional beaver ponds. Gynogens were sampled from three habitats in each of four different pond types in a single drainage in Voyageurs National Park, Minnesota. The abundance of gynogens relative to sexual dace varied with pond type, being least common in deep upland ponds and most common in shallow, collapsed, lowland ponds (13.4% and 48.6%, respectively). Simple-sequence multilocus DNA fingerprinting of 464 individual gynogens detected one, and only one, clone. DNA fingerprints, generated sequentially by using three oligonucleotide probes, (CAC)5, (GACA)4, and the Jeffreys' 33.15 probe, all revealed the same unprecedented lack of variation. The extreme lack of clonal diversity in these gynogens across a range of habitat types does not fit the general pattern of high clonal diversity found within populations of other vertebrate parthenogens.

Effectiveness of surface mine sedimentation ponds /

Mode of access: Internet.

Ponds and rock pools : with hints on collecting for and the management of the micro-aquarium /

Includes index.

The ABC of carp culture. A treatise on the German, or European carp; its wonderful growth & fecundity, instructions for its propagation and culture as an article of food for sale; also minute directions for the construction of artificial lakes and ponds, comprising those from only a few yards in area to ponds and lakes covering acres /

Mode of access: Internet.

Ponds for fish and wildlife production.

Mode of access: Internet.

The rearing of fish in ponds.

"Taken in a revised form from the Department's Bulletin 23 entitled 'Fishes and Fishing in Louisiana.'"

A practical treatise upon angling with small and great rode : shewing the different flies, and baits through the various seasons of the year : to which is adjoined fishing in ponds /

In the photocopy, some leaves show two pages of the original.

Neolithic dew-ponds and cattle-ways /

Mode of access: Internet.

Ponds and ditches.

Mode of access: Internet.

Management of small lakes and ponds in Illinois.

"Revised 1989."

Management of small lakes and ponds in Illinois.

Includes bibliographical references (pages 76-78).