Index Megatheriidae 4:727T, 5:225T Megatherium 4:727T Megatherium americanum 5:225T Megavirus chilensis 5:135 Mehadiella paveli 7:60 Mehler Peroxidase reaction 6:13 Mehuin Preserve (Chile) 5:57, 5:59F Meinertellidae 1:247 meiofauna mangrove ecosystems 5:18 marine invertebrates 4:380–381, 4:381T meiosis 2:321, 2:324–325 meiotic drive 1:16 Mekong Delta 1:276T Mekong River 1:512, 7:147 Melaleuca 5:221, 7:125, 7:399 Melaleuca quinquenervia 4:360, 6:96, 6:442, 7:399 Melamprosops phaeosoma 6:350 Melampsora lini 2:139 Melampyrum arvense 4:570–572 Melanochromis 1:25F Melanoplus spretus 3:221–222 Melanopsis buccinoidea 5:471 Melanosuchus niger 6:401, 7:229T Melanthera marlothiana 1:67 Melastoma 1:263 Melastomataceae 3:522T, 6:316T Meles meles 4:693 Melia azedarach 1:590, 5:476 Meliaceae 1:263, 5:11T, 6:316T Melicitus 3:522T Melilotus officinalis 5:712T Melinis minutiflora 2:379–381, 4:364, 6:125 Melitaea cinxia 4:517 Melittomma insulare 5:603–604 Meloidae 1:327T melons native crops 2:662–663 regional cultivars 3:32F Melospiza melodia 4:490, 4:491F Melville, Herman 4:653 Melyridae 1:327T membrane hybridization 5:264T, 5:267 Mendel, Gregor 2:424–425, 4:651–652, 6:1–2 Mendelian populations 6:168 meniscus midges 3:489–491T Mentzelia pumila 2:430 Mephitidae 6:309T mercury-based fungicides 5:695 mercury deposition 1:1–14 emissions and deposition 1:2–5, 1:4F forest ecosystems 1:5T freshwater ecosystems acidic deposition–mercury concentration linkage 1:13 aluminum concentrations 1:9–10 aquatic biota response 1:9–10, 1:10T, 1:11F contamination impacts 1:10–13, 1:12F freshwater fish 1:10–13, 1:12F, 1:13 pH changes 1:9–10, 1:10T schematic diagram 1:11F surface water acidification 1:8–9, 1:10T geographic distribution 1:1–5, 1:3F occurrences and sources 1:1–5 research background 1:1 Mercury Deposition Network (MDN) 1:5 mergansers 1:604F Merguia 5:16 Meridiopitymys henseli 1:702 Meriones sacramenti 5:472 merlin falcon 5:474 Merops albicollis 5:603 Merops apiaster 5:474 Merops orientalis 5:463T Merops supeciliosus 5:473 Merriam, C Hart 1:578–579 Merycopotamus 5:224T Mesembryanthemaceae 1:486T Mesembryanthemum crystallinum 4:360 Mesoamerican plant species 6:82T Mesoamerican poeciliid fish 7:348, 7:348F Mesobuthus martensi 1:208 Mesobuthus spp 1:208 Mesocapromys angelcabrarai 4:714F Mesocapromys auritus 4:714F Mesocapromys nanus 4:714F Mesocapromys sanfelipensis 4:714F Mesocyclops 6:26 mesofauna 6:586, 6:590T Mesonerilla prospera 3:202T Mesonychoteuthis hamiltoni 5:406 mesophiles 7:328 mesoplankton 4:383T, 4:460, 5:133F Mesoplodon densirostris 3:192–193 Mesopotamian marshlands restoration (case study) 7:374 Mesopropithecus 5:365 Mesosetum 2:376F Mesostigmata 1:216, 6:587–588 mesotheles 1:206, 1:206 Mesotriton alpestris 4:516–517 mesotrophic level 3:563T Mesoxylon 5:618F Mesozoa 3:684F, 5:669–670T Mesozoic era boundary age 5:1T fossil record 1:411F, 1:412F, 3:684F marine diversity 5:168F, 5:169F marine invertebrates 4:390–391, 4:390F mass extinctions 1:413F, 3:419F, 5:157F, 5:169F, 5:176 molluscs 5:374F temperate forests 7:123F terrestrial plant communities abundance patterns 6:74F evolutionary development 6:65–67, 6:66F extinction rates 6:73F origination rates 6:72F terrestrial plant evolution 6:70–71 mesozooplankton 4:670–671 mesquite desert ecosystems 2:476 fire regime alterations 6:342–343 multiple cropping systems 1:120 Messerschmidtia 1:277 Messor messor 5:483 Mesua 5:623F 735 Metachirus nudicaudatus 2:587F metadata 1:440–445 classifications 1:441 emerging technologies digital media 1:444–445 scientific workflow systems 1:445 Standard Generalized Markup Language (SGML) 1:444 World Wide Web (WWW) 1:444 historical background 1:440–441 purposes data discovery annotation 1:442 data access 1:441 data portals 1:441 data provenance 1:442 Globally Unique Identifier (GUID) 1:441–442 quality control 1:442 scientific inquiry 1:441 structured metadata Access to Biological Collection Data (ABCD) standards 1:443 Darwin Core 1:443 Ecological Metadata Language (EML) 1:443 eXtensible Markup Language (XML) 1:442–443 geospatial data standards 1:443–444 machine integration challenges 1:442 metalaxyl 5:695 metalimnion 3:560, 4:374F metals 1:563 Meta menardi 7:52–53 Metapolybia aztecoides 2:326 metapopulation theory 5:240–251 basic concepts local extinctions 5:241–242 multispecies dynamics competition 5:243–244 predators and parasitoids 5:242–243 succession 5:243–244, 5:243F patchiness 5:240–241 single species dynamics 5:241–242 extinction mechanisms 4:660–661 general discussion 5:240 research results conservation 5:250 nonequilibrium dynamics 5:250 population regulation 5:250 spatial patterns 3:5–6 spatial variation effects basic concepts 5:244–248 competition 5:248–249, 5:249F, 5:250F predators and parasitoids 5:248, 5:248F single species dynamics 5:245–248, 5:245F, 5:246F, 5:247F Metaryzium anisopliae 5:694 Metasequoia 2:47 Metasequoia glyptostroboides 1:272–273 Metatheria 4:683 see also marsupials Metaviridae 5:134T, 5:140 Metazoa Cambrian explosion 3:683, 3:684F evolutionary development 2:644–645