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K� <br />� <br />|� 1989V. These studies document o 10-year decline of at lea: 50% in the Atlantic <br />Coastal Ridge scrub-jay population. <br />'ym <br />\� <br />The habitat structure and landscape matrix used by Florida scrub -jays residing in <br />medonha| |andmoupny differs significantly from native scrub habitat conditions <br />"~ <br />(Fitzpatrick e/ al. 1994a/ Thuxtun and Hing/gen 1936; Brein|ngor 1939; To|und <br />�> unpub|. data). As mu1denhu| build -out occurs, oo|tab|o scrub -jay habitat patches <br />become smaller and increasingly isolated from neighboring patches (Fitzpatrick */ <br />^ x/ 1984o. Within highly fragmented eoWemia| |aodooupns' nuoh as that <br />exemplified by the 8obuodun Highlands ITP impact area (see Figure 2)' demographic <br />success of the population dnor0000a (Fitzpatrick et u{ 1894u; Thu/tun and <br />Hiuq1gan 1996; Broiningor 1999; Tu|andonpub|. do,o). The habitat quality of the <br />- <br />isolated Scrub patches declines duo primarily to Um Oxo|un|nn and the introduction <br />of ornamental landscape and exotic plants (Fitzpatrick et aL ?884o; 8rnininOor <br />1899>. Predation from domestic animals (house oom) arid Urban -adapted avian <br />nnmpodmm' blue -jays and fish crows, increases mortality rates ofscrub-jays within <br />the fra8mont*d residential iaoxonapo (8ro|ningor 1899; Fitzpatrick et ah 1894a). In <br />' audhiun, nonbrondin9 scmh-jays are hwroad to disperse greater distances UhmugA <br />hostile |anduoVpoo' exposing ,ko dispersing individual to increased predation and <br />— <br />vehicular nuUiuinnx (Fitzpatrick ry a< 1994n; Tnaxunn and Hing,Don 1996; <br />~ Bmininyer 1898' Tmem1 unpuW. dam). All suburban scrub -jay Populations studied <br />are declining because of poo/ dmnographio aocooxn. no|and 1891; Fitzpatrick av at <br />1894a;Thuxton and HinAtgen 1996; 8rvioingo/1g98>. <br />... <br />It is interesting to note that scrub -jays residing in residential |andxnanae appear to <br />initially benefit from development; population densities are reported to increase it) <br />~~ <br />lightly developed aubmhuo areas where many patches ofscrub mmn|nand build- <br />out is 3396 or |oon (FVVS 1839/ To|aod unyoh|.dum). This is probably u response to <br />^ xupplemnoo| food suuomo (|oodom) (Fitzpatrick ota{ 1894a)' creation of openings <br />- <br />in the o',uh' arid vinoo| buffers (UuA|Wo0n} between neighboring jay families <br />(Tn|ond' pers. oho*rvl. However, as human development oocn|atoa towards <br />~~ <br />complete build -out, the increased risk of predation decreases ovwivu| potential of <br />/|odgUnA jays and ouccoax(u| nesting attempts (Tv|and 1991; Bowma" unp^W. <br />data; Breininger 1898). Because adult scruh'i^yS are ro|otivo|v |oug'oveU. resident <br />pairs often persist for years insome n(the most densely human-popu|,md Florida <br />� <br />suburbs (Rt,poxiox e/et 1984a). Although these suburban jays often continue to <br />[ <br />nest, they incur high nest failure rates (Toaod1981;Fitzpatrick oro{ 1984o)� <br />|n fragmented residential uvducupey' nomhfmyy V|op*mo earlier arid become <br />breeders at ynuoQm ages U`vo uoruU�vyn in �omiguoun no/�e scrub systems <br />(Toiaod vnpuW. data; Bro\nin0o, 1998). m1aov (amu|on at)(] some males disperse <br />during their h,u/ year in nuotmot to delayed diavemn| iv native habitats (B/oiningor <br />1999). Nesting in suburban habitats starts aa,|im and nods |a/w, than in native <br />