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Group Title: Conservation area land management (CALM) plans
Title: Lake Alice conservation area
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Permanent Link: http://ufdc.ufl.edu/UF00090230/00013
 Material Information
Title: Lake Alice conservation area
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.
 Record Information
Bibliographic ID: UF00090230
Volume ID: VID00013
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
        Page 5
        Page 6
        Page 7
        Page 8
    Maps
        Page 9
        Page 10
        Page 11
        Page 12
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University of Florida Conservation Area Land Management Plan
Lake Alice


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Introduction


The Lake Alice Conservation Area is an approximately 129.5 acre natural area located on the
southwestern portion of the main campus, bounded by Museum Road to the north and west, Mowry
Road to the south and North-South Drive to the east. Along with the natural areas around Bivens Arm,
this Conservation Area has the most significant and diverse environmental resources on the main campus.
This determination is based on the relatively large size of the area, mix of community types, undeveloped
shoreline buffer and presence of a large water body.

The 2000-2010 Master Plan and the 1987 Stormwater Master Plan identified Lake Alice and Hume Pond
and their surrounding uplands and wetlands as preservation areas (Preservation Areas, 8, 9,10 Wetland
Preservation 8 and 10). In this plan, all of the contiguous uplands and wetlands have been placed into
one Conservation Area. Within the confines of the Conservation Area is to be found an Urban Park,
University Gardens, which is also known as Medicinal Gardens, due to some of the plants known for their
healing properties found within its confines.

Natural Areas Inventory

Water Resources
As described in more detail in the CALM introduction, Lake Alice is the receiving body of a majority
of the main campus's stormwater and basically serves as the University's stormwater utility (it is
permitted as such). Fraternity Woods, Graham Woods, Rietz Ravine Woods, Green Pond, Bartram-
Carr Woods and Lake Alice South all have streams (some intermittent) that flow into the lake.
Additionally, stormwater drains into the lake from other intermittent streams and culverts scattered
throughout campus. The Lake Alice watershed is a closed basin, with the primary outlet being through
drainage wells in the lake, which were installed to alleviate flooding. Before these wells were installed
Lake Alice would drain into sinkholes that worked very similar to drainage wells. One sink was
located at what is now called Sweet Pond and the other was adjacent to the University Golf Course, in
Greenhouse Woods. Sweet Pond sink was blocked off in the 1940's to prevent wastewater from
directly recharging the aquifer. The sink adjacent to Greenhouse Woods is thought to be still active,
but water from Lake Alice only flows into this area during heavy rainfall events, when the drainage
wells are unable to keep up with the volume of water coming into the Lake.

Based on historical photography and mapping, Lake Alice and the wetland marshes and shrubs
surrounding it had a smaller aerial footprint before development on campus began. Campus
urbanization, along with drainage alterations and augmentation by human water use (potable, sanitary
and industrial-institutional), has led to a large increase in the water entering the lake. Along with
increased water, the addition of treated wastewater (now reclaimed water) and fertilizers has added
nutrients, which has led to accelerated eutrophication of the Lake. In turn, these unnatural conditions
have favored the production of non-native plants in the lake, like water hyacinth, which Physical
Plants routinely collects and disposes of in mass piles. The 1998 303(d) list of state impaired water
bodies, listed the lake as impaired due to nutrients. However, with the removal of most of the direct
wastewater discharges to the lake it is no longer listed as an impaired water body (the university now
uses most of its wastewater for irrigation).

While stormwater improvements for water quality within the lake should be implemented primarily in
upstream locations, there are areas where creeks enter the Conservation Area that have the potential to
treat stormwater before it enters the lake. However, since these improvements would be implemented
at base level, this Conservation Area's elevation, their primary functions would be to reduce nutrient
loading before it enters the lake and to act as sediment traps. Therefore, placement of potential







retention ponds must be weighed against improvements in upstream Conservation Areas where the
added benefit of water storage and velocity reduction can reduce the amount of instream erosion that is
currently taking place.

In the summer of 2004, a number of heavy rainfall events occurred over a short time frame, causing
flooding within the basin. A number of roads were not passable for a few days, with particular concern
being Museum Road adjacent to the Lake. As had occurred in the past, Lake Alice was not able to
handle the massive amount of inflow, nor were its drainage wells able to drain the water before it
crossed Museum Road and entered Green House Woods heading to the low sink. Physical Plant
Nurseries and Elmore Hall were both flooded for a few days, before the Lake Alice drainage wells
were able to drain enough water to lower the lake and surrounding areas back to its set elevation.
Currently, a number of solutions are being studied to alleviate the flooding adjacent to Elmore Hall
and from around Lake Alice. These potential solutions include: 1) alter weirs and lower drainage wells
in Lake Alice, so that lake levels can be dropped before major storm events, 2) have Physical Plant
take over operation of pumps adjacent to the golf course to ensure that they are operational before
flooding occurs (these pumps move water from the golf course, and from around the sink, into the
Hogtown Creek basin across SW 34th Street), 3) build a new recharge well (RIB Rapid Infiltration
Basin) adjacent to Elmore Hall to give stormwater a quick outlet during major events (would function
much like the sink hole did in years past), 4) test and potentially clean drainage wells at Lake Alice to
ensure that they are fully operational, 5) explore opportunities to pick up additional stormwater storage
through retention / detention.























Lake Alice Marsh

Natural Communities
Lake Alice is comprised of three natural community types, although wetland marsh bottomland
shrubs is the predominate community by acreage. These communities begin at the lakes edge with
floodplain marshes that grade up into bottomland hardwoods, which in turn grades into a mesic mixed-
hardwood forest. The marshes associated with this area are wetlands of herbaceous vegetation and low
shrubs. Moving up the slope, the bottomland forest is characterized as a low-lying, closed-canopy







forest of tall, straight trees with a dense shrubby understory and little ground cover. The upland
forested areas are comprised primarily of a mesic / upland-mixed hardwood forest. 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 wetland marsh is home to a mix of small trees, shrubs, herbaceous plants, ferns and floating
aquatics. Common species include Acer rubrum (Red Maple), Apios americana (Groundnut),
Baccharis halimifolia (Dogfennel), Cephalanthus occidentalis (Common Buttonbush), Hydrocotyle
umbellata (Manyflower Marshpennywort), Hydrocotyle ranunculoides (Floating Marshpennywort),
Ludwigiaperuviana (Peruvian Primrosewillow), Myrica cerifera (Wax Myrtle), Osmunda regalis var.
spectabilis (Royal Fern), Salix caroliniana (Carolina Willow), Sambucus nigra subsp. canadensis
(Elderberry), Thelypteris palustris var. pubescens (Marsh Fern) and Typha latifolia (Broadleaf
Cattail). Other species documented are: Acer negundo (Boxelder), Cuscuta sp. (Dodder),
Decodon verticillatus (Swamp Loosestrife), Symphyotrichum carolinianum (Climbing Aster),
Symphyotrichum dumosum (Rice Button Aster), Commelina virginica (Virginia Dayflower), Celtis
laevigata (Hackberry), Liquidambar styraciflua (Sweetgum), Nyssa sylvatica var. biflora (Swamp
Tupelo), Sagittaria sp. (Arrowhead), Saururus cernuus (Lizard's Tail), Taxodium distichum (Bald
Cypress), Woodwardia areolata (Netted Chain Fern), and Zizaniopsis miliacea (Southern Wild Rice).

The bottomland hardwood hammock grades into the swamp and mesic hammocks on either side of it.
Dominant trees characteristic of this bottomland hardwood hammock include Acer negundo
(Boxelder), Acer rubrum (Red Maple), Celtis laevigata (Hackberry), Liquidambar styraciflua
(Sweetgum), Quercus nigra (Water Oak). Also present are Itea virginica (Virginia Willow), Prunus
caroliniana (Carolina Laurelcherry), Sabal Palmetto (Cabbage Palm), Sapindus saponaria
(Soapberry), Taxodium distichum (Bald Cypress) and Ulmus alata (Winged Elm). The understory
contains small saplings of the canopy species along with Campsis radicans (Trumpet Creeper),
Clematis sp.(Leather Flower), Myrica cerifera (Wax Myrtle), Rubus argutus (Sawtooth Blackberry),
Sabal minor (Bluestem Palm), Smilax (Greenbriar) species, Toxicodendron radicans (Poison Ivy), and
many ferns including Osmunda cinnamomea (Cinnamon Fern), Thelypteris kunthii (Widespread
Maiden Fern), Thelypterispalustris (Marsh Fern), Woodwardia areolata (Netted Chain Fern) and
Woodwardia virginica (Virginia Chain Fern).

Trees dominant in the upland hardwood forests include Carya glabra (Pignut Hickory), Liquidambar
styraciflua (Sweetgum), Quercus nigra (Water Oak), Quercus hemisphaerica (Upland Laurel Oak),
Tilia americana var. caroliniana (Carolina Basswood), Ostrya virginiana (Eastern Hophornbeam),
Celtis laevigata (Hackberry), Ulmus alata (Winged Oak) and Pinus taeda (Loblolly Pine). Also
present are Acer negundo (Boxelder), Acer rubrum (Red Maple), Aesculuspavia (Red Buckeye),
Carpinus caroliniana (American Hornbeam), Chionanthus virginicus (White Fringetree), Juniperis
virginiana (Red Cedar), Magnolia grandiflora (Southern Magnolia), Morus rubra (Red Mulberry),
Prunus caroliniana (Carolina Laurelcherry), Prunus serotina (Black Cherry), Quercus michauxii
(Basket Oak), Quercus shumardii (Shumard's Oak), Quercus virginiana (Live Oak), and Ulmus
americana (American Elm).

The upland understory contains a mix of native plants, including Bignonia capreolata (Crossvine),
Campsis radicans (Trumpet Creeper), Clematis virginiana (Virginsbower), Erythrina herbacea
(Coralbean), Euonymus americanus (American Strawberrybush), Oplismenus hirtellus (Woodsgrass),
Parthenocissus quinquefolia (Virginia creeper), Phytolacca americana (American Pokeweed), Rubus
argutus (Sawtooth Blackberry), Rubus trivialis (Southern Dewberry), Sabalpalmetto (Cabbage
Palm), Solanum americanum (American Black Nightshade), several Smilax (Greenbriar) species,







Stachysfloridana (Florida Betony), Toxicodendron radicans (Poison Ivy), Vernonia gigantea (Giant
Ironweed), Viola sororia (Common Blue Violet), Vitis aestivalis (Summer Grape) and Vitis
rotundifolia (Muscadine Grape).

Noteworthy natives include Arisaema triphyllum (Jack in the Pulpit, an uncommon species), Clematis
catesbyana (Satincurls, an uncommon species), Cocculus carolinus (Carolina coralbead, an
uncommon species), Commelina virginica (Virginia Dayflower, near the southern edge of its range),
Dioscoreafloridana (Florida Yam, an uncommon species) and Zizaniopsis miliacea (Southern Wild
Rice, an uncommon species).

Invasive Non-Native Plant Species
The following list of non-native invasive plants has been documented within the Conservation Area
and should be selectively dealt with when funding becomes available. In the marsh these include
Alternanthera philoxeroides (Alligatorweed), Begonia cucullata (Wax Begonia), Eichhornia crassipes
(Water Hyacinth), Colocasia esculenta (Wild Taro), Cllnh, m, nia sagittifolium (Arrowleaf
Elephantear) and Salvinia minima (Water Spangles). Non-native species documented throughout the
bottomland and mesic hardwood hammocks include Albiziajulibrissin (Mimosa), Ardisia crenata
(Scratchthroat), Citrus x aurantium (Sour Orange), Cinnamomum camphora (Camphortree),
Dioscorea bulbifera (Air Potato), Elaeagnus pungens (Silverthom), Eriobotryajaponica (Loquat),
Hedera helix (English Ivy), Ipomoea cairica (Mile A Minute Vine), Lantana camera (Lantana),
Ligustrum lucidum (Glossy Privet), Ligustrum sinense (Chinese Privet), Lonicerajaponica (Japanese
Honeysuckle), Macfadyena unguis-cati (Catclaw Vine), Melia azedarach (Chinaberry Tree),
Nephrolepis sp. (Swordfern), Sapium sebiferum (Popcortree), Tradescantiafluminensis (Small Leaf
Spiderwort) and Urena lobata (Caesarweed).

Animal Species
The following list of animals has been documented on site: American Crow, American Goldfinch,
American Robin, Baltimore Oriole, Black and White Warbler, Barred Owl, Blue-Gray gnatcatcher,
Blue-headed Vireo, Blue Jay, Bobolink, Brown Thrasher, Boat-tailed Grackle, Carolina Chickadee,
Carolina Wren, Cedar Waxwing, Chimney Swift, Common Grackle, Downy Woodpecker, Eastern
Phoebe, Eastern Tufted Titmouse, European Starling, Fish Crow, Great Crested Flycatcher, Gray
Catbird, Great Egret, House Finch, House Wren, Indigo Bunting, Killdeer, Mourning Dove, Northern
Cardinal, Northern Flicker, Northern Mockingbird, Northern Parula, Osprey, Palm Warbler, Pine
Warbler, Pileated Woodpecker, Ring-billed Gull, Red-bellied Woodpecker, Ruby-crowned Kinglet,
Red-eyed Vireo, Red-Shouldered Hawk, Red-winged Blackbird, Swainson's Warbler, Turkey Vulture,
White-eyed Vireo, White Ibis, Wild Turkey, Yellow-bellied Sapsucker, Yellow-rumped Warbler,
Yellow-throated Warbler, Brown anole(1), Common ground skink(1), Green Treefrog, Leopard Frog,
Squirrel Tree Frog, Gray Squirrel, Black rat, Raccoon, Feral Cat, and Armadillo.






























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

Arredondo Urban Land Complex (0-5% slope)
This complex consists of well drained nearly level to gently sloping Arredondo soils and Urban Land.
About 50 to 85% of each delineation is open areas of Arredondo soils. Typically, the surface layer of
Arredondo soils is dark grayish brown fine sand about 6 inches thick. The subsurface layer is brownish
yellow to yellowish brown fine sand to a depth of 47 inches.

Bivans Sand (2-5% slope)
This gently sloping, poorly drained soil is on relatively broad flats and at the base of the rolling
uplands. The areas are irregular in shape and range from about 10 to 55 acres. Typically the surface
layer is dark gray sand about 6 inches thick. The subsurface layer is gray sand 9 inches thick. This
Bivans soil has a perched water table that is in the surface and subsurface layers and the upper part of
soil for 1 to 4 months during most years.

Bivans Sand (5-8% slope)
This is a sloping, poorly drained soil on short breaking slopes and along hillsides of uplands.
Typically, the surface layer is dark gray sand about 5 inches thick. The subsurface layer is light
brownish gray sand about 5 inches thick. Permeability is moderate to moderately rapid in the surface
and subsurface layers.

Blichton Sand (2-5% slope)
This gently sloping, poorly drained soil is on gently rolling uplands. Typically the surface layer is dark
grayish brown sand about 6 inches thick. It is about 3 percent nodules of ironstone and fragments and
nodules of phosphatic limestone.







Blichton Urban Land Complex (0-5% slope)
This complex consists of poorly drained, nearly level to gently sloping Blichton soils and Urban land.
It is irregularly shaped with relatively small areas. About 50 to 85 percent of each delineation is open
areas of Blichton soils. About 15 to 50 percent of each delineation is Urban land. Typically, the
surface layer of Blichton soils is dark grayish brown sand about 6 inches thick. The subsurface layer is
grayish brown to light brownish gray sand about 22 inches thick.

Kanapaha Sand (0-5% slope)
This soil consists of nearly level to sloping, poorly drained soils that formed in thick beds of sandy and
loamy marine deposits. The water table is at a depth of less than 10 inches for 1 to 3 months and at a
depth of 10 to 40 inches for 3 to 4 months during most years. Natural fertility is low to medium.

Millhopper Urban Land Urban Land Millhopper Complex (0-5% slope)
This complex consists of moderately well drained, nearly level to gently sloping Millhopper soils and
Urban Land. The areas are irregular in shape and range from about 15 to 250 acres. This complex is
within the most urbanized areas. About 50 to 85 percent of each delineation is open areas of
Millhopper soils.

Surrency Sand
This nearly level, very poorly drained soil is in ponds and depression areas in the broad flatwoods and
in areas of wet prairie on uplands. Typically, the surface layer is black sand about 15 inches thick. The
subsurface layer is light gray sand to a depth of 28 inches. Surrency soil has a water table that is within
10 inches of the surface for about 6 months or more during most years.

Cultural and Passive Recreational Resources
The majority of the Lake Alice conservation area is not readily accessible, due to the swampy nature
of most of the land. Access to the site is mainly available along the north rim, parallel to Museum
Road. University Gardens provides users of the area with a pleasant walking area with boardwalks,
benches, observation platforms and grassy areas under trees to sit and relax. While University Gardens
is not technically part of the conservation area, it is totally within the confines of the conservation area
and the boardwalk transverses through both areas. Additionally, the sidewalk along the northern and
western side of the lake, along with benches and picnic tables, provides an opportunity to take in nice
views of the lake and Conservation Area.

There are known archeological sites present within this conservation area. Additionally, the
probability of additional Paleo-Indian sites within this area is high, due to the proximity of the lake.
Future improvements to the site will take into account the location of known areas and follow
guidelines by the Department of Historical Resources before sighting any new structures.

Future Improvements

The Lake Alice Conservation Area is one of the places where all three conservation Nature Park,
Academic Preserve and Nature Preserve come into play. The shrub marsh area should be considered a
Nature Preserve, while the rest of the area is more indicative of a Nature Park. Of course, the whole
Conservation Area is and has been utilized for research and class activities, and these uses will be
encouraged to continue. A future improvement that has been contemplated for this Conservation area
is a greenway around portions of the lake's rim, which would mean an elevated boardwalk through
wetland areas (or adjacent to) on the eastern and southern sides of the lake. This project would have to
be permitted through the St. Johns River Water Management District and may require offsetting
mitigation for wetland impacts (if there end up being any) caused by the boardwalk. Another area
7







recommended for a trail / greenway is the upland area south and east of Hume Hall where some
existing foot paths currently exist. This area is already used as a shortcut to the Band Shell from the
commuter lot and should be formalized to prevent erosion in sloped areas and to provide crosswalks,
where mid-block crossings currently occur. Another recommended management strategy is less
frequent mowing along wetland and water body buffers. This will require some intuitional changes in
the way Physical Plant Division approaches these areas or a more direct approach with small rope and
post fencing of select areas. Finally, habitat enhancements like bird and bat boxes and wildlife friendly
plantings should also be considered for certain areas.

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






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