S an Marcos River: Native Riparian Habitat Restoration Habitat - - PowerPoint PPT Presentation

s an marcos river native riparian habitat restoration
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S an Marcos River: Native Riparian Habitat Restoration Habitat - - PowerPoint PPT Presentation

S an Marcos River: Native Riparian Habitat Restoration Habitat Conservation Plan Eric Weeks Riparian Habitat Restoration - Purpose Removal of invasive species helps to restore the ecosystem to its natural state and promotes the survival


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S an Marcos River: Native Riparian Habitat Restoration

Habitat Conservation Plan Eric Weeks

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Riparian Habitat Restoration - Purpose

Removal of invasive species helps to restore the ecosystem to its natural state and promotes the survival of native species.

Larger invasives are used as terracing/ mulch to stabilize soil and reduce erosion.

Native plantings provides a more diverse habitat and helps stabilize the bank.

Prohibitive thorny plants are used as a natural barrier to reduce erosion from foot traffic.

Water Quality plantings act as natural buffers filtering chemicals and toxins from runoff before entering the river.

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Identify River Access Points

 Fence area between access points as restoration areas

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Remove and Treat Exotic Invasive S pecies

 Chinese tallow  Chinaberry  Chinese privet  Ligustrum  Paper mulberry  Japanese honeysuckle  Johnson grass  Elephant Ear

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Add Erosion Control & Restrictive Access Plantings

 The invasives removed are used

as terraces and as mulch

 Mulch socks are added as needed  Plants with high erosion control

value are added (switch grass)

HTC Overview City Park

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Plant natives or Allow Nature to Take Over

 US

FWS collects seeds locally to grow the plants that are added to the banks

 Prohibitives are added near the edge of fence to discourage access  HTC, volunteer planting days and interns.

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Riparian/ WQ Buffer Plant List

Berberis trifoliolata Agarita Alamo Vine Merremia dissecta American elm Ulmus americana American water willow Justicia americana Anacua Ehretia anacua Arrowhead Sagittaria platyphylla Ash Fraxinus sp. Ashe juniper Juniperus ashei Bald cypress Taxodium distichum Bear grass Nolina texana Beautyberry Callicarpa americana Big Bluestem Andropogo n gerardi Black walnut Junglans nigra Black willow Salix nigra Blazing Star Liatris mucronata Blue gamma Bouteloua gracilis

Box elder Acer negundo Brasil Condalia hookeri Broadleaf woodoats Chasmanthium latifolium Buffalo Gourd Cucurbita foetidissima Bur oak Quercus macrocarpa Bushy bluestem Andropogon glomeratus Buttonbush Cephalanthus

  • ccidentalis

Camphor weed Pluchea odorata Catalpa Catalpa speciosa Cats claw mimosa Mimosa biancifera Cedar elm Ulmus crassifolia Chinquapin oak Quercus meuhlenbergii Common green brier Smilax rotundifolia Cottonwood Populus deltoides Cottonwood Populus deltoides Creeping Primrose Willow Ludwigia repens Crow-foot caric sedge Carex crus-corvi

Devil's shoestring Nolina lindheimeria na Dewberry Rubus trivialis Dwarf palmetto Sabal minor Eastern gamagrass Tripsacum dactyloides Elderberry Sambucus canadensis Emory's sedge Carex emoryi Evergreen sumac Rhus virens Eve's necklace Sophora affins False indigo bush Amorpha fruticosa False nettle Boehmeria cylindrica Flameleaf Sumac Rhus lanceolata Fragrant mimosa Mimosa borealis Giant cutgrass Zizaniopsis miliacea Green ash Fraxinus pennsylvani ca Hairy Gramma Andropogon hirsuta Hog plum Colubrina texensis

Honey mesquite Prosopis glandulosa Huisache Acacia farrnesiana Illinois pondweed Potamogeton illinoensis Indian Grass Sorghastrum nutans Inland Sea Oats Chasmanthium latifolium Kidneywood Eysenhardtia texana Lime prickly ash Zanthoxylum fagara Lindheimer muhly Muhlenbergia lindheimeri Little bluestem Schizachyrium scoparium Live oak Quercus virginiana Mesquite Prosopis glandulosa Mexican buckeye Ungnadia speciosa Mexican Palm Sabal mexicana Mexican plum Prunus mexicana Mexican redbud Cercis canadensis

  • var. mexicana

Mountain Laurel Sophora secundiflora Muhly grass Muhlenbergia capillaris Osage Orange Maclura pomifera Pecan Carya illinoinensis Plains coreopsis Coreopsis tinctoria Possum-haw Ilex decidua Retama Parkinsonia aculeata Retama + Ash Juniper Parkinsonia aculeata + Juniperus ashei Rice cutgrass Leersia oryzoides Rough leaf dogwood Cornus drummondii Rusty blackhaw Viburnam rufidulum Sawgrass Cladium jamaicense Shiny Sumac Rhus lanceolata Shiny sumac (skunkbush) Rhus trilobata Shrubby Yellowcrest Hemia salicifolia Side-oats gamma Bouteloua curtipendula Snow on the Mountain Euphorbia marginata Soapberry Sapindus saponaria

Sugarberry / hackberry Celtis laevigata Switchgrass Panicum virgatum Sycamore Platanus

  • ccidentalis

Texas ash Fraxinus texensis Texas cupgrass Eriochloa sericae Texas lantana Lantana urticoides Texas mountain laurel Sophora secundiflora Texas persimmon Diospyros texana Texas red oak Quercus buckleyi Texas winter grass Nassella leucotricha Tickle tongue Zanthoxylum hirsutum Tx Mountain Laurel Sophora secundiflora Wafer ash Ptelea trifoliolata Western soapberry Sapindus saponaria Yaupon holly Ilex vomitoria Yellow indian grass Sorghastrum nutans

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Water/ Irrigation

 University & City taps  TCEQ Water Permits  Water Tanks  Buckets & Pitchers  New strategy due to limited availability of water:

 Prohibitive zone –

xeric thorny

 WQ zone –

terrestrial (seed)

 Area along river plantings

 Thorny restrictive plantings grow very well with minimal water

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Control/ Maintain Invasive Regrowth 

Large seedbanks and extensive root systems

Most areas are densely planted, so treating regrowth is a challenge

EBR Overview Spring Lake

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Upper S ewell Park

Contour Terracing Fall 2013 Native Plantings S pring 2014 S ummer 2015 above

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Upper Rio Vista

Invasive Removal Fall 2014 Terracing & Mulch Winter 2014 Native Plantings S ummer 2015

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Upper Rio Vista

February 2014 Fall 2014 S ummer 2015

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Rio Vista Gardens

Before After

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Lower Rio Vista

Invasive Removal Fall 2014 Native Plantings S pring 2015 S ummer 2015 above

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Questions?

Eweeks@ sanmarcostx.gov