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Habitat Enhancement and Management Plan <br />� CONTENTS <br />� Colton Dunes Habitat Preserve <br />� <br />� <br />1.0 IMRODUCTIQN ........... ...............................................................................................1 <br />2.0 BIOLOGICAL ASSESSMENT .......................................... ................................... ............. 2 <br />2.1 Regional and Local Setting ....................................................................................... 2 <br />2.2 Previous Biologicat Studies ..................................... .............:.....:............................. 2 <br />2.3 Existin� Biological Conditions .................................................................................... 5 <br />2.3.1 Vegetation ............, .........................................:..............:................................ 6 <br />2.3.1.1 Buckwheat Scivb ............................:........................ ............................... 6 <br />2.3.1.2 Unconsolidated Dunes ............................................................................. 8 <br />2.3.1.3 Ruderal ..............................................................................,...................8 <br />2.3.:L.4 Bumed Areas ........................................................................................ 10 <br />2.3.211V6Idlife ......................................................................................................... 10 <br />2.3.2.1 Insects ................................................................................................. 10 <br />2.3.2.2 Amphibians and Reptiies ................ ....................................................... 11 <br />2.3.2.3 Birds... .........................................,....................................................... 11 <br />2.3.�.4 Mammats......... ... .......................... . .. ..................... . ...... 11. <br />2.3.3 Sp�cial-Status Resources ................................ ......:........... .....:..................... 12 <br />2.3.3.1 Special-Status Piant Species ........................................................ .......... 12 <br />2.3.3.2 Special-Status Wildlife Species ................................. .:................... .. 15 <br />2.3.4 Site Disturbances .......................................................................................... 20 <br />2.3.4.1 Points of Access .................................................................................... 20 <br />2.3.4.2 Trash ....:.............. <br />........ .............. ........... ... ........,.......... .. 20 <br />2.3.4s3 Structures ................................................................. ........................... 21 <br />2.3.4�4 ExisGng Roads and Easements ............................................................... 21 <br />3A MANAGEMENT ACTIONS ............................................................................................. 21 <br />3.1 Goais and Objectives ............................................................................................. 24 <br />3.2 Habitat Enhancement ............................. .............................................................. 24 <br />3.2.1 Access ....... .......:.... . . . ...... ............. .. .. .. ........... .. .......... 27 <br />