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Group Title: Conservation area land management (CALM) plans
Title: Green pond
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Permanent Link: http://ufdc.ufl.edu/UF00090230/00010
 Material Information
Title: Green pond
Series Title: Conservation area land management (CALM) plans
Physical Description: Book
Language: English
Creator: Facilities Construction & Planning, University of Florida
Publisher: Facilities Construction & Planning, University of Florida
Place of Publication: Gainesville, Fla.
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Bibliographic ID: UF00090230
Volume ID: VID00010
Source Institution: University of Florida
Holding Location: University of Florida
Rights Management: All rights reserved by the source institution and holding location.

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Table of Contents
    Front Cover
        Page 1
    Main
        Page 2
        Page 3
        Page 4
    Maps
        Page 5
        Page 6
        Page 7
        Page 8
Full Text


















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University of Florida Conservation Area Land Management Plan
Green Pond and Newins-Ziegler Sink









Introduction


Green Pond and Newins-Ziegler Sink Conservation Areas make up an approximately 1.9-acre
natural area located just north of Museum Road and on both sides of Center Drive. Green Pond is also
known as the Reitz Union Pond because of its adjacency to the Reitz Union, while Newins-Ziegler
Sink is named after the forestry building located immediately adjacent. These areas are defined by the
sinkholes present on both sites and by the small hardwood forests that buffer both Newins-Ziegler Sink
and the creek that flows out of Green Pond. The primary use of these Conservation Areas has been by
the Botany and Forestry Departments for plant identification, due to their close proximity to the
departments. Additionally, the sites are used as pedestrian short cuts. The 2000-2010 Campus Master
Plan identified these areas as Preservation Areas 16 (Green Pond) and 17 (Newins-Ziegler).

Natural Area Inventory

Water Resources
Green Pond and Newins-Ziegler Sink Conservation Areas are both integrated into the campus
stormwater systems. Green Pond is a sinkhole that functions as a permanent pool / wet detention
area for stormwater collected from around the Reitz Union and McCarty Hall. Water from the pond
above a certain elevation discharges into a channelized creek that flows into another depression in
the pond's adjacent woods and ultimately ends up in Lake Alice.

Newins-Ziegler Sink conveys stormwater under center drive, into Green Pond's discharge stream.
However this sink does not have a permanent pool, but the base is persistently wet from both
stormwater routed into it and from surfical aquifer seepage.

These conservation areas are in the Lake Alice watershed, where stormwater is an issue of concern.
Since these conservation areas are upstream of Lake Alice, there may be some merit in considering
future modifications to enhance storage capabilities in all three sink areas (the third being the
depression in the wooded area just south of Green Pond).















Green Pond Creek Newins-Ziegler Sink

Natural Communities
The forested patches associated with these conservation areas are somewhat difficult to lump into a
general ecological community in that they grade from an upland mesic-mixed hardwood forest to a
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bottomland hardwood forest over a very small area. However, generally these areas would be described
as a mesic-mixed hardwood forest. Mesic forests are characterized as well-developed, closed-canopy
forests of upland hardwoods on rolling hills. These forests often have limestone or phosphatic rock
near the surface and occasionally as outcrops. Soils are generally sandy-clays or clayey sands with
substantial organic and often calcareous components. In larger, less strenuous conditions, mesic
forests typically support significant wildlife and plant diversity, which result from the nutrient rich
nature of hardwood forests and flowering and fruiting plants.

Plant Species
The canopy in these areas is comprised of pignut hickory, swamp chestnut oak, winged elm, sweet gum,
loblolly pine, laurel oak, cabbage palm, slash pine and maple.

Invasive Non-Native Plant Species
Current management of the site will need to address the control of cats-claw vine and glossy privet
from the forested portions of Green Pond.

Animal Species
Green Pond and Newins-Ziegler Sink are relatively small in size, which limits the amount of habitat
for terrestrial species. Animals typically found in mesic hardwood systems, but which have not been
documented on the property, include: slimy salamander, Cope's gray treefrog, bronze frog, box
turtle, eastern glass lizard, green anole, broadhead skink, ground skink, red-bellied snake, gray rat
snake, rough green snake, coral snake, woodcock, barred owl, pileated woodpecker, shrews, eastern
mole, wood rat, cotton mouse, and gray fox.
















Newins-Ziegler sink Green Pond

Soils
In general, mesic upland mixed / hardwood forests occur on rolling hills that often have limestone or
phosphatic rock near the surface and occasionally as outcrops. Soils are generally sandy-clays or
clayey sands with substantial organic and often calcareous components. The topography and clayey
soils increase surface water runoff, although this is counterbalanced by the moisture retention
properties of clays and by the often thick layer of leaf mulch which helps conserve soil moisture and
create decidedly mesic conditions (FNAI).


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The following soil information for on-site soils was gathered from Soil Survey of Alachua County
(1985).

Millhopper Urban Land Complex (0-5% slope)
This nearly level to gently sloping, moderately well drained soil is in small and large irregularly
shaped areas on uplands and slightly rolling knolls in the broad flatwoods. Typically, the surface
layer is dark grayish brown sand about 9 inches thick. The subsurface layer is sand or fine sand
about 49 inches thick.

Cultural and Recreational Resources

The Reitz Union student center lies just north of Green Pond and was recently re-landscaped into an
amphitheater overlooking the water. An elevated boardwalk was placed through the wooded area
just south of the pond. These amenities offer ample opportunities for visitors to enjoy the pond and
Conservation Area. The Newins-Ziegler sink area is small and consists of the sink area and a 25 foot
buffer, with no amenities provided. There are no known archeological or historic sites within these
conservation areas.


Future Improvements

As stated previously, these Conservation Areas are important teaching areas to both the Botany and
Forestry Departments, due to their close proximity to the departments. Therefore, future land
management should focus on enhancing the diversity of plants within both areas and controlling
invasive non-native plants. Additionally, recommended buffer enhancements around Newins-Ziegler
Sink include less mowing, new tree planting and some erosion control measures.


Maps on the following pages:
1. Aerial Photo
2. Water Resources
3. Natural Communities
4. Soils


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