Subject: RE: NANFA-L-- Riparian Vegetation was "Creek Chubs?"
From: Nick Zarlinga (njz-in-clevelandmetroparks.com)
Date: Wed Dec 01 2004 - 10:43:46 CST
When I sent the response, that was my next question that I forgot to add. I
wasn't sure if that was the case or not. Thanks guys for the clarification.
Nick Zarlinga
Aquarium Biologist
Cleveland Metroparks Zoo
216.661.6500 ext 4485
><)> -----Original Message-----
><)> From: owner-nanfa-l-in-nanfa.org
><)>
><)> Of Denkhaus, Robert
><)> Sent: Wednesday, December 01, 2004 11:22 AM
><)> To: nanfa-l-in-nanfa.org
><)> Subject: RE: NANFA-L-- Riparian Vegetation was
><)> "Creek Chubs?"
><)>
><)>
><)> Pull out an old dog-eared copy of Odum's Ecology
><)> for a good explanation and examples of this
><)> phenomenon. I use one of his examples in some of
><)> the training classes that I give so I will relate
><)> it here...
><)>
><)> In well-drained silt loam soil comparing the
><)> organic matter in a forest vs a prairie:
><)>
><)> Standing crop (the above ground living stuff)
><)> forest = 90 tons, prairie = 3 tons
><)> Litter (on the soil surface) forest = 3 tons (in
><)> February), 1.5 tons (in October), prairie = 5 tons
><)> and 2 tons (Feb & Oct)
><)> Below surface (measured in six inch increments but
><)> totalled here) forest = 77 tons, prairie = 147 tons
><)>
><)> Totals organic materials forest = 170 tons (Feb),
><)> 168.5 tons (Oct), Prairie = 155 tons (Feb), 152 tons (Oct)
><)>
><)> As you can see, the totals are not all that
><)> different but the bulk of a prairie's organic
><)> material is below the surface locked up in roots.
><)> The bulk of a forest's organic materials are above
><)> the surface locked up in living trees. The
><)> nutrients that are easily available to enter
><)> surface waters come from the litter which is
><)> relatively equal.
><)>
><)> Rob Denkhaus
><)> Fort Worth Nature Center & Refuge
><)> www.fwnaturecenter.org
><)>
><)>
><)> > -----Original Message-----
><)> > From: Nick Zarlinga
><)> > Sent: Wednesday, December 01, 2004 7:56 AM
><)> > To: nanfa-l-in-nanfa.org
><)> > Subject: RE: NANFA-L-- Riparian Vegetation was
><)> "Creek Chubs?"
><)> >
><)> >
><)> > In grassy habitats, you have fields of decaying
><)> material vs
><)> > woody plant
><)> > habitats, more of the nutrients are locked up in living
><)> > tissues. No? How
><)> > much of a woody plants biomass is locked up in
><)> woody tissue
><)> > vs deciduous
><)> > tissues? I guess that it would be different for
><)> each species
><)> > of course, but
><)> > I guess that's my question. It seems to me that
><)> > forest/scrubby areas would
><)> > retain more nutrients in living woody tissue
><)> year round and
><)> > grassy/prarie
><)> > habitats would have a larger influx of nutrients
><)> to the water due to a
><)> > larger percentage of decaying material.
><)> >
><)> > Nick Zarlinga
><)> > Aquarium Biologist
><)> > Cleveland Metroparks Zoo
><)> > 216.661.6500 ext 4485
><)> >
><)> >
><)> /--------------------------------------------------
><)> ---------------------
><)> / This is the discussion list of the North
><)> American Native Fishes
><)> / Association (NANFA). Comments made on this list
><)> do not necessarily
><)> / reflect the beliefs or goals of NANFA. For more
><)> information about NANFA,
><)> / visit http://www.nanfa.org . Please make sure
><)> all posts to nanfa-l are
><)> / consistent with the guidelines as per
><)> /
><)> http://www.nanfa.org/archive/nanfa/guidelines.html.
><)> To subscribe,
><)> / unsubscribe, or get help, visit the NANFA email
><)> list home page and
><)> / archive-in-http://www.nanfa.org/archive/nanfa/.
/-----------------------------------------------------------------------
/ This is the discussion list of the North American Native Fishes
/ Association (NANFA). Comments made on this list do not necessarily
/ reflect the beliefs or goals of NANFA. For more information about NANFA,
/ visit http://www.nanfa.org . Please make sure all posts to nanfa-l are
/ consistent with the guidelines as per
/ http://www.nanfa.org/archive/nanfa/guidelines.html. To subscribe,
/ unsubscribe, or get help, visit the NANFA email list home page and
/ archive-in-http://www.nanfa.org/archive/nanfa/.
: Sat Jan 01 2005 - 12:41:45 CST