Ecology of Red Maple Swamps in the Glaciated Northeast: A ...

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Fig. 8.1. ST folia) in pel fer. .bush (Cb major highways or commercial and industrial zones. For all of the above reasons, the argument to preserve red maple swamps as open-space areas is both logical and compelling. Human Impacts Since European settlement of the glaciated Northeast began over 350 years ago, thousands of hectares of wetlands have been filled, drained, impounded, _DoIluted, or otherwise altered. In the core of urban centers such as New York City, Boston, Providence, and Hartford, most natural wetlands probably had been eliminated prior to the late nineteenth century. Except for agricdtural effects, which were highly significant in certain parts of the reg-ion, wetland losses in most rural areas were less severe until the rapid increase in urbanization that began in the mid-1900's. Passage of state and federal wetlands protection laws and regulations has slowed the rate of conversion, but weak enforcement, minimum legal size limits, and other exemptions have allowed certain wetlands to be altered without a permit. For these reasons, losses of inland wetlands are still occurring at a significant rate in many areas of the Northeast. Documentation of the extent and causes of inland wetland losses is lacking for most of this region. Statistics are available only for southeastern Massachusetts (Larson et al. 1980; Tiner and Zinni 1988)) southern mode Island (Golet and Paskhurst 1981)) central Connecticut (Tiner et al. 1989), and Pemsy~vania O\iner and Finn 1986).
Fig. 8.2 Red maple swamp providing open space arnidst residential and industrial development. Such urban swamps also are important for recreation, nature study, flood storage, water quality improvement, and wildlife habitat. Outlined areas labelled "u" represent upland habitats.
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Technical IIbpg~rt Series U.S. Fish
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Preface In many areas of the glacia
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Acer rubrum (red maple) diagnostic
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Zone 111 . St . Lawrence Valley and
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Fig . 3.7. Red maple swap with unde
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Table 4.5. Flood tolerance of trees
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Chapter I. Introduction Wetland kbr
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Regional Setting throughout the gla
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C-J Spruce-Fa Beech-Birch-Maple Mit
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Fig. 1.4. The range of red maple (a
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~ b 1.5, h fircort~ of Wet landc Ir
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Fig. 22. &~lrit~ve Irtndtici~pe yos
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egional groundwakr table by the roc
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y e~rr~mtrtm~~,irzst ion. Cat~t,inu
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inflow^ Outflows OF SWQ SWI Fig. 25
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Fig, 23.6,Soasonally flmded red map
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Fig. 27. Water levels in six mode I
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The duration of soil saturation has
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Organic soils are always very poorl
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Chapter 3. The Plant Community The
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.dar02f 'B Xi? s%u?mma -?sway+xqq p
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Community S tructare Red maple swam
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suggesta a strong correlation betwe
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Table 3.2. Stmtuml chumcteristics o
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Table 3.3. Continued. "- -- - Speci
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Table __ 3.3. _ Continued ._.lll.__
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Table 3.3. Continued. . * - __.. ^.
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Zone I II III TV C" Drppnmriad* sp.
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on Long Island, pin oak, swamp whit
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fern moea (?ki.c&inz &limfulum), an
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countered (Table 3.3). The herb lay
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~akareous Seepage Swamps England si
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and globeflower are. listed in four
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was the most likely reason for diff
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kvei fluctuation during the gmwing
Page 75 and 76: Table 4.2. .Rektit.e ~bmchnce w Q)
Page 77 and 78: difficuit to delineate in many inst
Page 79 and 80: in the librature btlx>~ithe moi~ttl
Page 81 and 82: Origin. an$ Relationship to Water R
Page 83 and 84: Influence on Swamp Vegetation Flori
Page 85 and 86: taka wpra-x li)wcir, t raac* df~rla
Page 87 and 88: dwuL 4.3 6.3. C ~ ~ ~ strisk- P C I
Page 89 and 90: Chapter 5. Ecosystem Processes Irr
Page 91 and 92: - 0 2 E E 0l *" C 8 g 00 - c_ m 3 -
Page 93 and 94: Ehnzdoltf (IWj wm mmht~nt, rru@w on
Page 95 and 96: 1976; I">irwia RE& vari iier Vdk 18
Page 97 and 98: Xletritus Exprort and 'sod Chain Su
Page 99: Chapter 6. Wetland Dynamics Most no
Page 102 and 103: since forested wetland is the endpo
Page 104 and 105: kettle bogs, lakes, or large rivers
Page 106 and 107: mmdwakr depression wetlands. Becaus
Page 108 and 109: (Mniotila varia), regularly breed i
Page 110 and 111: EXusbtand arid Eddleman (1Y30) quan
Page 112 and 113: census results. Twenty-five (40%) o
Page 114 and 115: elated to avian richness and abunda
Page 116 and 117: Fig. 7.6. Wood duck (Aix sponsa). T
Page 118 and 119: Table 7.5. Small-mammal communities
Page 120 and 121: ing the latter years of flowage occ
Page 122 and 123: Chapter 8. Values, Impacts, and Man
Page 124 and 125: of the bordering upland. Both studi
Page 128 and 129: Table 8.1. Emrnpks ofgmss loss rate
Page 130 and 131: Fig. 8.3. Southern New England red
Page 132 and 133: Fig. 8.4. Electric utility lines pa
Page 134 and 135: e expected to cause more drastic fl
Page 136 and 137: and enhancement has been a highly c
Page 138 and 139: y capturing sediment, reducing nutr
Page 140 and 141: M.R.S.A., Sect. 480.A). Research by
Page 142 and 143: Broadfoot, W. M., and H. L. Willist
Page 144 and 145: Fefer, S. I. 1980. me palushe syste
Page 146 and 147: Jordan, R J. 1978. Glacial geology
Page 148 and 149: Xew Hampshire Xatural Areas Program
Page 150 and 151: Ren MAPLE SWAMR 137 Smith, H. 1984.
Page 152 and 153: Appendix A. Sources of Floristic Da
Page 154 and 155: Appendix B. Plants of Special Conce
Page 156 and 157: Appendix B. Continued Species d Car
Page 158 and 159: Appendix C. Vertebrates That Have B
Page 160 and 161: Mourning warbler ... Nashville warb
Page 162 and 163: Appendix D. Vertebrates of Special
Page 164 and 165: ~tnte"and ronsewat ion stat ilu' d
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