Savanna Ecosystem Restoration Project

[phittie1100]

We had a good meeting today in Grand Rapids. We have a lot of work to do - we are going to get started on a list of specific issues to include in your comments and some sample letters to use. The Two Trackers are coordinating a ride-along this week to get some of the USFS staff out to see firsthand the potential loss of closing these trails, more to come in the next couple of days.

[Creative Fab]

Thanks for the update Paul, and for taking a sunday out of your busy schedule to go. And you as well Bob

[Western Rider]

There are better areas to use for non-motorized primitive use than an area littered with county roads.[/QUOTE]

The White River Semi-primative area was designated as part of a past Forest Plan Decision nearly 20 years ago. The Decision was upheald in the March 2006 update to the plan. A decision to change the designation would be outside the scope of the the savannah project EA. It will not get addressed in this document even if the question comes up during the scoping process.

[Greenway]

I'm not going to get hung up on it's designation. The road closures that bar me from public land are part of this project, and that's what I'm concerned with.

By the way, welcome to the forum.

[timbercruiser]

Here's a few of my thoughts:

The proposed forest roads designated to be closed do not significantly impact the KBB because of the following reasons.

There are numerous county roads within the area with relatively high speed traffic that the KBB will also use as corridors which will put them at much greater risk than with the slow traffic on the roads proposed to be closed. Are maps going to be posted throughout the metapopulation area by the USFS to show the KBB where THEY'RE allowed to go?

Vehicular counts on the proposed closed roads are likely lower than on the county roads.

Closing the scenic roads will shift some of the traffic to the higher speed county roads causing more risk to the KBB.

The land area of the roads proposed to be closed is insignificant compared to the overall metapopulation area.




Very good points. I'll include these on the Public Comment Sheet!!


Thanks to those who are taking action!!!

The detrimental impact to recreation in the area is huge if the roads are allowed to be closed. Those of us who are not hikers or equestrians are essentially barred from using this public land.

Closing roads will not reduce illegal ATV use because they can go around or over all barriers. In fact, it will increase illegal use due to more public roads being deemed illegal by one government agency, while the general population still desire to use those roads.

There are better areas to use for non-motorized primitive use than an area littered with county roads.[/QUOTE]

[phittie1100]

Great points Dave, I'll add them to the list!

[Greenway]

Great points Dave, I'll add them to the list!

[timbercruiser]

The quotation marks are missing

[phittie1100]

OK I missed it - did you copy from someone else in class Mr. timbercruiser?

I got it on the list no matter who said it first......LOL

By the way, for anyone else that was thinking it but was afraid to ask...

Metapopulation
From Wikipedia, the free encyclopedia
Jump to: navigation, search
A metapopulation consists of a group of spatially separated populations of the same species which interact at some level. The term metapopulation was coined by Richard Levins in 1970 to describe a model of population dynamics of insect pests in agricultural fields, but the idea has been most broadly applied to species in naturally or artificially fragmented habitats. In Levins' own words, it consists of "a population of populations".[1]

A metapopulation is generally considered to consist of several distinct populations together with areas of suitable habitat which are currently unoccupied. In classical metapopulation theory, each population cycles in relative independence of the other populations and eventually goes extinct as a consequence of demographic stochasticity (fluctuations in population size due to random demographic events); the smaller the population, the more prone it is to extinction.

Although individual populations have finite life-spans, the metapopulation as a whole is often stable because immigrants from one population (which may, for example, be experiencing a population boom) are likely to re-colonize habitat which has been left open by the extinction of another population. They may also emigrate to a small population and rescue that population from extinction (called the rescue effect).

The development of metapopulation theory, in conjunction with the development of source-sink dynamics, emphasised the importance of connectivity between seemingly isolated populations. Although no single population may be able to guarantee the long-term survival of a given species, the combined effect of many populations may be able to do this.

Metapopulation theory was first developed for terrestrial ecosystems, and subsequently applied to the marine realm.[2] In fisheries science, the term "sub-population" is equivalent to the metapopulation science term "local population". Most marine examples are provided by relatively sedentary species occupying discrete patches of habitat, with both local recruitment and recruitment from other local populations in the larger metapopulation. Kritzer & Sale have argued against strict application of the metapopulation definitional criteria that extinction risks to local populations must be non-negligible.[2]:32

An important contributor to metapopulation theory is the Finnish biologist, Ilkka Hanski [1], of the University of Helsinki.

[Jarhead]

OK I missed it - did you copy from someone else in class Mr. timbercruiser?

I got it on the list no matter who said it first......LOL

By the way, for anyone else that was thinking it but was afraid to ask...

Metapopulation
From Wikipedia, the free encyclopedia
Jump to: navigation, search
A metapopulation consists of a group of spatially separated populations of the same species which interact at some level. The term metapopulation was coined by Richard Levins in 1970 to describe a model of population dynamics of insect pests in agricultural fields, but the idea has been most broadly applied to species in naturally or artificially fragmented habitats. In Levins' own words, it consists of "a population of populations".[1]

A metapopulation is generally considered to consist of several distinct populations together with areas of suitable habitat which are currently unoccupied. In classical metapopulation theory, each population cycles in relative independence of the other populations and eventually goes extinct as a consequence of demographic stochasticity (fluctuations in population size due to random demographic events); the smaller the population, the more prone it is to extinction.

Although individual populations have finite life-spans, the metapopulation as a whole is often stable because immigrants from one population (which may, for example, be experiencing a population boom) are likely to re-colonize habitat which has been left open by the extinction of another population. They may also emigrate to a small population and rescue that population from extinction (called the rescue effect).

The development of metapopulation theory, in conjunction with the development of source-sink dynamics, emphasised the importance of connectivity between seemingly isolated populations. Although no single population may be able to guarantee the long-term survival of a given species, the combined effect of many populations may be able to do this.

Metapopulation theory was first developed for terrestrial ecosystems, and subsequently applied to the marine realm.[2] In fisheries science, the term "sub-population" is equivalent to the metapopulation science term "local population". Most marine examples are provided by relatively sedentary species occupying discrete patches of habitat, with both local recruitment and recruitment from other local populations in the larger metapopulation. Kritzer & Sale have argued against strict application of the metapopulation definitional criteria that extinction risks to local populations must be non-negligible.[2]:32

An important contributor to metapopulation theory is the Finnish biologist, Ilkka Hanski [1], of the University of Helsinki.

WHOA! I gonna have to work to be more educated in this crowd