Re: Kensington runestone Vegetation)in the Scandinavian press


"Daryl Krupa" <icycalmca@xxxxxxxxx> skrev i meddelandet
news:1118615229.076915.24800@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
>
> Alaca wrote:
> <snip>
>
> > The consequence is that we can't be sure about
> > the structure of the vegetation on landscape level
> > in the 14th century Kensington area.
> >
> > Here are some notes on the factor fire in different
> > ecosystems from the DNR site.
> <snip>
> > Pine moraines & outwash plains
> > Fire occurred on a 10-40 year rotation within
> > much of the subsection, accounting for the
> > dominance by upland conifers and trembling
> > aspen-birch forests (Frissel 1973).
> > Aspen parklands
> > Fire was the most common natural disturbance
> > before settlement. Fire suppression has allowed
> > woodlands to develop from what was originally
> > oak openings or brush prairies (Wheeler et al.
> > 1992).
> <snip>
>
> Peter Alaca:
> These two are most relevant ecotypes;
> the latter more so.
> FWIW, the few available pollen diagrams for
> the general area indicate that parkland was
> the dominant ecotype for the last couple of
> thousand years.

apart from which we do know that there weren't a parkland but a
marsh/swampland with water in the ground during most of 19th century from
the first map up to the 1880's maps the area around the hight where the
stone was found is marked swamp land.

Inger E
>
> -
> Daryl Krupa
>


.

Loading