Field Notes: June 3, 2013

Daryl Christensen adding hay to
Forster's Tern nesting platforms

Wildlife

So far there are no Common Terns nesting on the rafts, but several adults, and non-breeding birds are still hanging around.  Daryl Christensen and I placed 20 small platforms for Forster's Terns, at Pancake Island among the River Bulrush that grows there, on Friday. The birds are either nesting or have staked their claim on them.  Daryl has been placing these platforms for many years.

Update: 19 of 20 platforms had nests

Forster's Tern Nest Platforms

Habitat

I began some experimental plantings of cuttings of common reed (canes).  If these are successful it will be a great way to establish and expand existing cane beds for very little cost.  

Underwater photo of wild rice in its
submerged growth phase.

So far it is looking like a good wild rice year up the Dead River.  Wild rice is a fragile annual grass, so sudden changes in water level could change that overnight.  

Last year's emergent plantings are struggling for light even though the water is somewhat clear in places.  Plants are coated with algae, sediment and other debris.  This can cause stress, and may end up killing some of the plants.  

Fish 

It is interesting to see massive schools of tiny fry, of several unknown species.  These are being preyed upon by Northern Pike, which just hatched in April, but are already 2-3 inches long.  I have seen several at our planting sites and take full credit for these fish.   :)