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1999-287
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Last modified
1/12/2024 2:10:06 PM
Creation date
1/12/2024 12:27:03 PM
Metadata
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Template:
Official Documents
Official Document Type
Miscellaneous
Approved Date
11/16/1999
Control Number
1999-287
Subject
Final Draft for Sebastian Area-Wide FL Scrub-Jay Habitat Conservation Plan
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The above biological criteria were considered by the FWS in developing the scrub-jay <br />core habitat reserve design for the City of Sebastian (TOland 1996). This reserve <br />design essentially directed the acquisition and designation of the Sebastian HCP <br />Scrub-Jay Habitat Compensation Areas. <br />Suitable scrub-jay habitat is not restricted to scrub Oak patches (Breininger et al. <br />1991, 1995, 1996b, 1998a; Ouncun et al. 1995). Scrub-jays defend and use mesic <br />habitat types, such as open pine flatwoods and saw paimetto scrub, located near oak <br />scrub patches (Breininger et al. 1995, '1998x), Alteration and fragmentation of the <br />matrix habitat by developmentlagricultural activities disrupts fire patterns, alters prey <br />and predator composition, and removes habitat that may become; optimal after fires <br />(Fitzpatrick et al. 1991; Breininger et al. 1995; Breininger and Oddy 1998). Therefore, <br />management of optimal scrub-jay habitat conditions must consider the matrix habitat <br />in which the focal scrub patches are embedded (Breininger and Oddy 1998). <br />Management of the matrix habitat serves to benefit associated scrub species, such as <br />the gopher tortoise, Eastern indigo snake, and wetland dependent species, including <br />the threatened Florida gopher frog (references in Breininger and Oddy 1998; <br />Schmalzer et al, 1999). Management of the depression marshes provides breeding <br />sites for amphibians which form a significant portion of the food chain; insuring an <br />important food source to Florida scrub-jays (Breininger and Oddy 1998; Schmalzer el <br />al. 1999). <br />Where natural fire processes have been restricted by anthropogenic barriers or <br />activities, the scrub oaks often reach a size that is essentially fire-resistant (Guerin <br />1988,1993; Schmalzer et at 1994). Restoration of tali, unburned scrub to optimal <br />Florida scrub-jay habitat conditions usually can not be achieved by fire alone, as the <br />tree-sized scrub oaks are able to survive: fire and resprout from trunks above ground <br />(Schmalzer et at 1994). The objective to restore a low, open habitat structure would <br />not be accomplished as the overgrown scrub would regenerate as a forest structure <br />(Schmalzer et al, 1994). Therefore, mechanical cutting of the tail fire-resistant scrub <br />oaks, followed by a prescribed fire, has been found to be the only reasonable method <br />of restoring severely degraded scrub communities (Schmalzer et ai. 1994). This <br />method has been used at both Oscar Scharer State Recreation Area (Smyth 1991) <br />and Kennedy Space Center (KSC) (Schmalzer et at 1994, 1999) for the purposes Of <br />restoring suitable scrub-jay habitat conditions, Scrub-jcIys exhibit a dramatic <br />preference for recently burned or mechanically disturbed scrub, defending and <br />foraging in these patches unless the land management treatments affect all or most <br />of the defended territory (Fitzpatrick et al. 1994a), Studies at KSC found that scrub- <br />jays actively use restored area for foraging, caching acorns, and croon nesting within <br />18 months post-fire (Breininger el al. 19961)), <br />Although mechanical treatments are suCCessful in reducing vegetation height and <br />creating openings in the scrub, they should be applied carefully to reduce the <br />potential for soil disturbances and a discontinuity of fuels (Breininger and Schmalzer <br />74 <br />0 <br />
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