Knowledge (XXG)

Aquatic invasive species in Canada

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656:) were first introduced in the United States in the early 1960s for biological control of aquatic plants. Though this was successful, these carp have spread to Lake Erie as well as other parts of the Great Lakes. Grass Carp consume vegetation necessary for native fish in these areas. Removal of this vegetation also alters nesting areas for waterfowl. Overall, this leads to a decline in biological productivity and energy flow throughout the ecosystem. Economically, this destruction results in shoreline erosion, accumulation of sediment, and problems within water management. Grass Carp are one many types of Carp, such as the Silver Carp and the Bighead Carp. Grass Carp can be identified by their wide, scaleless heads, very short snouts, and lack of barbels. They are dark grey in color with a slight golden shine on their sides and white towards the belly. 508: 570: 757: 676: 626:
spread faster in areas with higher human interference. Spiny waterfleas have spread to Lake Ontario, Lake Michigan, Lake Huron, Lake Superior, and Lake Eerie; they can also be found in over 179 Ontario inland bodies of water as well as other non native areas in Europe. These predacious zooplanktivores have reduced zooplankton populations as well as biodiversity in the areas they have invaded. This, in turn, affects organisms in other trophic levels that depend upon these zooplankton and the organisms that eat them, such as
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their filtering changes the surrounding environment. They have caused particular issues for aqua farming in Nova Scotia and Prince Edward Island, where businesses have to invest in removing vase tunicates, and their yields have been reduced. Increased monitoring of boats and waters to identify vase tunicates is used as a control mechanism to avoid further impacts on the mussel industry in
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aquaculture farmers. This is because they directly compete for the same resources, whether they be food or space. Golden star tunicate can reproduce by free swimming larvae, or by the creation of a fragment which can grow into a full colony. Boats, docks, and other sea structures allow the golden star tunicate to spread more effectively.
695:. The European Green Crab travels on both recreational and trading boats, and their larvae can travel great distances to establish new populations. This species can be green, red, or yellow with 2 claws, a saw-like shell, and pointed, hairy back legs. It is smaller than other species, but it is similar in appearance to the native 710:
The European green crab is dangerous as an invasive species for the aggressive nature in which it inhabits new waters. They prey on shellfish species with their claws that can easily open the shells. This causes problems for the fishing of species such as clams, crustaceans, and other shellfish. They
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Golden star tunicates are observed in much of the world though they are invasive to eastern Canada and the Gulf of Saint Lawrence. They can be identified by their flower or star shaped zooids, their clear coat, and their gelatinous texture. They negatively affect shellfish, bottom-dwelling fish, and
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Vase tunicates have a widespread distribution on coasts in the Atlantic and Pacific Ocean, making their native distribution difficult to determine; however, it is thought to be native to the North Atlantic. Even with this uncertainty, the vase tunicate is considered invasive to Canada, where it has
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The vase tunicate can invade due to its ability to reproduce continually, and it can attach to many surfaces including boats and other man-made aquatic infrastructure. They are dangerous invaders because they are filter-feeders, so they compete with other filter-feeding species like mussels, and
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Spiny waterfleas are invasive microorganisms that inhabit both fresh and saltwater habitats; they were first reported as an invasive species in Canada in 1982. They traveled to Lake Ontario from Eurasia via ballast water from ocean liners, which are transportation passenger ships, and typically
478:. They are identified by their cylindrical black body and sharp teeth. They feed on the blood of other fish by attaching with their sucker and using their teeth and tongue to penetrate. Their attacks are effective (killing ~86% of fish attacked) and widespread to many species. 764:
Several species of non-native ascidians with known negative impacts to aquaculture operations have been introduced and established to both the Pacific and Atlantic coasts of Canada. These non-native sea squirt species include:
419:. Invasive fishes enter the fresh waters of Canada in several ways including drifting, deliberate introduction, accidental release, experimental purposes and, most commonly, through the attachment on international 554:
which hurts native fish growth and allows Zebra mussels to outcompete native mussels. Zebra mussels are illegal to import due to their ecological impact and damage they cause to boats and infrastructure.
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Carver, Claire & Mallet, André & Vercaemer, Benedikte. (2005). Biological Synopsis of the colonial tunicates, Botryllus schlosseri and Botrylloides violaceus. Can Man Rep Fish Aquat Sci.. 2747.
1694:"Morphological identification of two invading ascidians: new records of Ascidiella aspersa (Müller, 1776) from Nova Scotia and Diplosoma listerianum (Milne-Edwards, 1841) from New Brunswick and Quebec" 542:
and breed repidly. Large populations of mussels can grow in Canadian fresh waters, and their massive filtering capacity damages the environment for native species. The filtering changes the growth of
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The smallmouth bass is only an invasive species in some parts of Canada, as it is a native species to the Great Lakes and connected waters. The smallmouth bass has mostly been introduced due to
585:, with a mouth that does not go past the eye and stripes near the eye. The overall body shape and color is dependent on its environment, so the smallmouth bass can have different appearances. 218: 1371:
Robinson, Kelly F.; DuFour, Mark; Jones, Michael; Herbst, Seth; Newcomb, Tammy; Boase, James; Brenden, Travis; Chapman, Duane; Dettmers, John; Francis, James; Hartman, Travis (2021).
1420:"The influence of human population change and aquatic invasive species establishment on future recreational fishing activities to the Canadian portion of the Laurentian Great Lakes" 1853: 600:. Since the smallmouth bass is both native and invasive within Canada, there is not a national control strategy, instead, different areas handle the smallmouth bass differently. 439:
and physically interfere with existing aquatic life. Invasive species include sea lampreys, zebra mussels, smallmouth bass, European green crab, vase tunicate, and sea squirts.
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Wong, Melisa C.; Vercaemer, Bénédikte (2012) Effects of invasive colonial tunicates and a native sponge on the growth, survival, and light attenuation of eelgrass (
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Hunt, Len M.; Phaneuf, Daniel J.; Abbott, Joshua K.; Fenichel, Eli P.; Rodgers, Jennifer A.; Buckley, Jeffrey D.; Drake, D. Andrew R.; Johnson, Timothy B. (2020).
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Sea lampreys devastated the fishing industry of the Great Lakes. Within 20 years of the lamprey entering the Great Lakes, the harvesting of lake
260: 1546: 1373:"Using decision analysis to collaboratively respond to invasive species threats: A case study of Lake Erie grass carp (Ctenopharyngodon idella)" 1953: 1882: 325: 1948: 1877: 79: 2019: 1933: 1839: 1635: 1075: 2127: 2024: 1993: 1958: 320: 2085: 2080: 1826: 1661:"Early detection of the non-indigenous colonial ascidian Diplosoma listerianum in eastern Canada and its implications for monitoring" 1608: 2097: 2014: 1988: 1970: 245: 172: 1467: 1324:"A Comparison of Grass Carp Population Characteristics Upstream and Downstream of Lock and Dam 19 of the Upper Mississippi River" 923: 420: 365: 187: 1576: 948: 2045: 1943: 982: 330: 630:; the health of these species are also often impacted by the tail of the spiny waterflea which can sometimes be dangerous. 596:. They occupy a relatively unique habitat, so they do not compete against other predators and can hunt extensively in their 192: 1128:"The effects of Bythotrephes longimanus and calcium decline on crustacean zooplankton communities in Canadian Shield lakes" 874:
Dextrase, Alan; Mandrak, Nicholas (2006-01-01). "Impacts of Alien Invasive Species on Freshwater Fauna at Risk in Canada".
2040: 94: 233: 223: 114: 358: 1032:"Changes in the Freshwater Mussel Community of Lake St. Clair: from Unionidae to Dreissena polymorpha in Eight Years" 581:, either being used as bait or being purposefully added to new lakes to be fished. They have a thinner body than the 1522: 592:. They can disrupt the native environment by outcompeting or directly preying on native species, as well as quickly 2122: 2058: 1938: 1659:
Ma, Kevin C.K.; Simard, Nathalie; Stewart-Clark, Sarah; Bernier, Renée; Nadeau, Madeleine; Willis, Jessica (2016).
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been identified for over a hundred and fifty years. Recently, the vase tunicate has been documented invading into
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alarms and baiting, and trapping. The control has been extremely successful in reducing sea lamprey populations.
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Nalepa, Thomas F.; Hartson, David J.; Gostenik, Gerald W.; Fanslow, David L.; Lang, Gregory A. (1996-01-01).
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and have spread through the Great Lakes and other fresh waters. They can be identified as small triangular
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waters. It is identified as a clear, tube-shaped organism that attaches to hard surfaces in the water.
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by the Canadian Council of Fisheries and Aquaculture Ministers Aquatic Invasive Species Task Group
1727:"First record of vase tunicate, Ciona intestinalis (Linnaeus, 1767) in coastal Newfoundland waters" 823: 806: 282: 1827:
https://web.archive.org/web/20100527124727/http://www.nationalatlas.gov/articles/biology/a_zm.html
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Glasby, T. M. (2001) Development of sessile marine assemblages on fixed versus moving substrata.,
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Sullivan, Christopher J.; Weber, Michael J.; Pierce, Clay L.; Camacho, Carlos A. (2020).
1006: 687:) is an invasive species on the Atlantic coast of Canada, and has since also invaded the 539: 400: 1726: 1725:
Sargent, Philip; Wells, Terri; Matheson, Kyle; McKenzie, Cynthia; Deibel, Don (2013).
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Ma, Kevin C.K.; Hawk, Heather; Goodwin, Claire; Simard, Nathalie (2019).
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A Canadian Action Plan to Address the Threat of Aquatic Invasive Species
1225:"Effects of the Bythotrephes invasion on native predatory invertebrates" 1176:
Yan, Norman D.; Leung, Brian; Lewis, Mark A.; Peacor, Scott D. (2011).
627: 578: 416: 924:"Sea Lamprey: The Battle Continues to Protect Our Great Lakes Fishery" 532: 431:. The threat to native species is primarily caused by impacts on the 396: 588:
The smallmouth bass is considered invasive because it is a dominant
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Government of Canada, Fisheries and Oceans Canada (2018-05-04).
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Government of Canada, Fisheries and Oceans Canada (2019-04-09).
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Government of Canada, Fisheries and Oceans Canada (2019-04-09).
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Government of Canada, Fisheries and Oceans Canada (2018-05-04).
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Government of Canada, Fisheries and Oceans Canada (2018-05-04).
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Government of Canada, Fisheries and Oceans Canada (2018-05-04).
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Government of Canada, Fisheries and Oceans Canada (2018-05-04).
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Government of Canada, Fisheries and Oceans Canada (2019-05-03).
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in the 1830s, and have spread to more waters including the
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Another example of the migration of non-native species is
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that is invading eastern Canada, including Newfoundland.
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are all forms of life that traditionally has not been
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The sea lamprey began migrating to fresh water like
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Native Great Lakes mussel coated with zebra mussels
1424:Canadian Journal of Fisheries and Aquatic Sciences 435:; however, invasive species also bring dangerous 1264:Compton, Justin A.; Charles Kerfoot, W. (2004). 1126:Azan, Shakira S. E.; Arnott, Shelley E. (2016). 535:with a flat bottom and dark, zigzagged stripes. 1814:welcome to the Species at Risk Public Registry 1847: 485:was reduced by 98%. Control efforts included 366: 8: 519:, common name Zebra Mussel, originating in 1902: 1895: 1854: 1840: 1832: 503:Zebra mussel § As an invasive species 373: 359: 17: 1742: 1709: 1676: 1435: 1339: 1240: 1328:Journal of Fish and Wildlife Management 1223:Foster, Sophie E.; Gary Sprule (2009). 841: 711:also affect vegetation by cutting down 29: 1293: 1291: 1171: 1169: 1121: 1119: 462:Sea lampreys attached to a brown trout 1760: 1758: 1756: 1754: 1629: 1627: 1625: 1570: 1568: 1566: 1516: 1514: 1489: 1487: 1461: 1459: 1457: 1455: 7: 1069: 1067: 1065: 976: 974: 972: 970: 968: 917: 915: 913: 715:that native fish and birds rely on. 411:by repressing native species due to 454:Sea lamprey § Invasive species 1823:by Species at Risk Public Registry 1665:Management of Biological Invasions 882:(1). Springer Netherlands: 13–24. 14: 851:"About aquatic invasive species" 470:from the Atlantic Ocean through 342: 37: 1611:from the original on 2021-11-16 1377:Journal of Great Lakes Research 1270:Journal of Great Lakes Research 1036:Journal of Great Lakes Research 789:(the pancake batter tunicate), 1792:Marine Ecology Progress Series 1: 1282:10.1016/S0380-1330(04)70394-9 1048:10.1016/S0380-1330(96)70961-9 783:(the golden star tunicate), 771:(the European sea squirt), 2144: 2128:Invasive species in Canada 1389:10.1016/j.jglr.2020.03.018 1229:Limnology and Oceanography 816: 805:is generally considered a 749: 722: 668: 645: 618: 562: 500: 451: 1242:10.4319/lo.2009.54.3.0757 1194:10.1007/s10530-011-0069-9 1144:10.1007/s10750-016-2934-0 1100:"Bythotrephes longimanus" 888:10.1007/s10530-005-0232-2 683:The European green crab ( 523:. They first appeared in 1551:www.natureconservancy.ca 1521:loprespub (2019-05-30). 799:(the stalked tunicate). 608:Bythotrephes longimanus, 140:Aquatic invasive species 1744:10.3391/bir.2013.2.2.01 1711:10.3391/bir.2019.8.1.06 1678:10.3391/mbi.2016.7.4.06 1437:10.1139/cjfas-2020-0159 1341:10.3996/062019-JFWM-046 777:(the violet tunicate), 654:Ctenopharyngodon idella 621:Bythotrephes longimanus 828: 774:Botrylloides violaceus 761: 680: 643: 611: 574: 538:The Zebra mussels are 512: 463: 316:Canadian Boreal Forest 163:National Wildlife Area 1547:"European green crab" 1495:"European Green Crab" 1468:"European Green Crab" 826: 817:Further information: 791:Diplosoma listerianum 760:Sea squirts in a reef 759: 750:Further information: 723:Further information: 678: 646:Further information: 641: 619:Further information: 606: 572: 563:Further information: 510: 501:Further information: 489:, physical barriers, 461: 452:Further information: 1731:BioInvasions Records 1698:BioInvasions Records 1601:"Ciona intestinalis" 1499:Washington Sea Grant 1182:Biological Invasions 876:Biological Invasions 819:Botryllus schlosseri 813:Golden star tunicate 780:Botryllus schlosseri 517:Dreissena polymorpha 331:Environmental issues 178:Wildlife sanctuaries 1011:project.geo.msu.edu 807:cryptogenic species 679:European green crab 665:European green crab 443:Fresh water species 283:Canada Wildlife Act 1819:2016-12-24 at the 829: 802:Ciona intestinalis 768:Ascidiella aspersa 762: 725:Ciona intestinalis 681: 660:Salt water species 644: 612: 610:or Spiny Waterflea 575: 513: 464: 135:Endangered species 2123:Aquatic organisms 2110: 2109: 2106: 2105: 2069: 2068: 1779:Aquatic Invasions 1640:www.dfo-mpo.gc.ca 1581:www.dfo-mpo.gc.ca 1472:www.dfo-mpo.gc.ca 1188:(11): 2423–2432. 1080:www.dfo-mpo.gc.ca 1076:"Smallmouth Bass" 987:www.dfo-mpo.gc.ca 953:www.dfo-mpo.gc.ca 928:www.dfo-mpo.gc.ca 855:www.dfo-mpo.gc.ca 786:Didemnum vexillum 399:'s waterways. In 386:Canadian aquatic 383: 382: 349:Canada portal 321:Botanical gardens 31:Canadian wildlife 2135: 1903: 1896: 1863:Invasive species 1856: 1849: 1842: 1833: 1795: 1788: 1782: 1771: 1765: 1762: 1749: 1748: 1746: 1722: 1716: 1715: 1713: 1689: 1683: 1682: 1680: 1656: 1650: 1649: 1647: 1646: 1631: 1620: 1619: 1617: 1616: 1605:invasions.si.edu 1597: 1591: 1590: 1588: 1587: 1572: 1561: 1560: 1558: 1557: 1543: 1537: 1536: 1534: 1533: 1518: 1509: 1508: 1506: 1505: 1491: 1482: 1481: 1479: 1478: 1463: 1450: 1449: 1439: 1415: 1409: 1408: 1368: 1362: 1361: 1343: 1319: 1313: 1312: 1311: 1310: 1295: 1286: 1285: 1261: 1255: 1254: 1244: 1220: 1214: 1213: 1173: 1164: 1163: 1123: 1114: 1113: 1112: 1111: 1096: 1090: 1089: 1087: 1086: 1071: 1060: 1059: 1027: 1021: 1020: 1018: 1017: 1003: 997: 996: 994: 993: 978: 963: 962: 960: 959: 944: 938: 937: 935: 934: 919: 908: 907: 871: 865: 864: 862: 861: 846: 693:British Columbia 413:food competition 388:invasive species 375: 368: 361: 347: 346: 345: 326:Zoos 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1775:Zostera marina 1766: 1750: 1717: 1684: 1671:(4): 365–374. 1651: 1621: 1592: 1562: 1538: 1510: 1483: 1451: 1430:(3): 232–244. 1410: 1383:(1): 108–119. 1363: 1314: 1287: 1256: 1235:(3): 757–769. 1215: 1165: 1138:(1): 307–325. 1115: 1091: 1061: 1042:(2): 354–369. 1022: 1007:"Zebra mussel" 998: 983:"Zebra Mussel" 964: 939: 909: 866: 840: 839: 837: 834: 814: 811: 747: 744: 720: 717: 666: 663: 661: 658: 635: 632: 616: 613: 560: 557: 540:filter feeders 498: 495: 449: 446: 444: 441: 401:Eastern Canada 381: 380: 378: 377: 370: 363: 355: 352: 351: 338: 337: 334: 333: 328: 323: 318: 313: 308: 303: 297: 295:Related topics 294: 293: 290: 289: 286: 285: 274: 273: 268: 263: 258: 253: 248: 237: 236: 231: 226: 221: 216: 207: 204: 203: 200: 199: 196: 195: 190: 188:Nature centers 185: 180: 175: 170: 168:National Parks 165: 154: 151: 150: 147: 146: 143: 142: 137: 132: 127: 122: 117: 112: 107: 102: 97: 92: 87: 82: 77: 72: 67: 50: 47: 46: 43: 42: 34: 33: 27: 26: 13: 10: 9: 6: 4: 3: 2: 2140: 2129: 2126: 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Retrieved 1639: 1613:. Retrieved 1604: 1595: 1584:. Retrieved 1580: 1554:. Retrieved 1550: 1541: 1530:. Retrieved 1526: 1502:. Retrieved 1498: 1475:. Retrieved 1471: 1427: 1423: 1413: 1380: 1376: 1366: 1331: 1327: 1317: 1307:, retrieved 1305:, 2021-10-11 1302: 1299:"Grass carp" 1273: 1269: 1259: 1232: 1228: 1218: 1185: 1181: 1135: 1131: 1108:, retrieved 1106:, 2021-11-25 1103: 1094: 1083:. Retrieved 1079: 1039: 1035: 1025: 1014:. Retrieved 1010: 1001: 990:. Retrieved 986: 956:. Retrieved 952: 942: 931:. Retrieved 927: 879: 875: 869: 858:. Retrieved 854: 844: 830: 800: 796:Styela clava 794: 790: 784: 778: 772: 766: 763: 736: 732:Newfoundland 728: 709: 684: 682: 653: 652:Grass carp ( 651: 624: 607: 587: 576: 537: 521:Western Asia 516: 514: 480: 468:Lake Ontario 465: 448:Sea lampreys 385: 384: 276: 275: 239: 238: 208: 155: 152:Conservation 139: 57: 51: 48:Biodiversity 15: 2046:New Zealand 1994:Philippines 1944:Puerto Rico 1883:New Zealand 1276:: 315–326. 746:Sea squirts 642:Grass Carp 594:reproducing 527:in 1988 in 487:lampricides 476:Great Lakes 429:degradation 95:Butterflies 75:Wildflowers 2117:Categories 1964:Everglades 1954:California 1899:By country 1865:by country 1794:215: 37-47 1645:2021-11-19 1615:2021-11-16 1586:2021-11-02 1556:2021-11-09 1532:2021-11-09 1504:2021-11-09 1477:2021-11-09 1309:2022-04-05 1110:2022-04-05 1085:2021-11-02 1016:2021-10-29 992:2021-10-29 958:2021-11-02 933:2021-11-02 860:2021-11-02 836:References 752:Ascidiacea 705:Lady crabs 669:See also: 648:Grass carp 634:Grass carp 548:vegetation 421:boat hulls 405:biologists 301:Ecoregions 115:Amphibians 2041:Australia 1878:Australia 1871:By origin 1527:HillNotes 1446:226351156 1405:215777448 1397:0380-1330 1358:210987777 1350:1944-687X 1202:1387-3547 1160:254553884 1152:0018-8158 1056:0380-1330 896:1387-3547 713:eel-grass 691:coast in 491:pheromone 437:pathogens 409:ecosystem 2020:Portugal 1934:Colombia 1922:Americas 1817:Archived 1609:Archived 1251:86157697 1210:18515016 590:predator 552:bacteria 433:food web 306:Forestry 209:National 120:Reptiles 90:Odonates 80:Molluscs 23:a series 21:Part of 2034:Oceania 2025:Ukraine 1959:Florida 1892:By host 904:9422553 689:Pacific 628:walleye 579:fishing 533:mussels 417:preying 311:Tourism 219:COSEWIC 130:Mammals 105:Spiders 65:Grasses 2086:Europe 2081:Africa 2059:Hawaii 2003:Europe 1939:Mexico 1929:Canada 1906:Africa 1444:  1403:  1395:  1356:  1348:  1249:  1208:  1200:  1158:  1150:  1054:  902:  894:  793:, and 703:, and 550:, and 472:canals 397:Canada 393:native 2015:Italy 1989:Japan 1971:Texas 1442:S2CID 1401:S2CID 1354:S2CID 1247:S2CID 1206:S2CID 1156:S2CID 900:S2CID 701:Jonah 598:niche 544:algae 483:trout 251:CITES 125:Birds 100:Moths 70:Trees 59:Fauna 53:Flora 2054:Guam 1982:Asia 1393:ISSN 1346:ISSN 1198:ISSN 1148:ISSN 1052:ISSN 892:ISSN 697:Rock 427:and 266:WSPA 261:WAZA 256:IUCN 214:CAZA 110:Fish 85:Ants 56:and 1777:), 1739:doi 1706:doi 1673:doi 1432:doi 1385:doi 1336:doi 1278:doi 1237:doi 1190:doi 1140:doi 1136:785 1044:doi 884:doi 415:or 395:to 271:WWF 246:AZA 234:WPC 229:CWS 224:CWF 2119:: 2091:EU 1753:^ 1733:. 1729:. 1700:. 1696:. 1667:. 1663:. 1638:. 1624:^ 1607:. 1603:. 1579:. 1565:^ 1549:. 1525:. 1513:^ 1497:. 1486:^ 1470:. 1454:^ 1440:. 1428:78 1426:. 1422:. 1399:. 1391:. 1381:47 1379:. 1375:. 1352:. 1344:. 1332:11 1330:. 1326:. 1301:, 1290:^ 1274:30 1272:. 1268:. 1245:. 1233:54 1231:. 1227:. 1204:. 1196:. 1186:13 1184:. 1180:. 1168:^ 1154:. 1146:. 1134:. 1130:. 1118:^ 1102:, 1078:. 1064:^ 1050:. 1040:22 1038:. 1034:. 1009:. 985:. 967:^ 951:. 926:. 912:^ 898:. 890:. 878:. 853:. 742:. 707:. 699:, 546:, 25:on 1855:e 1848:t 1841:v 1747:. 1741:: 1735:2 1714:. 1708:: 1702:8 1681:. 1675:: 1669:7 1648:. 1618:. 1589:. 1559:. 1535:. 1507:. 1480:. 1448:. 1434:: 1407:. 1387:: 1360:. 1338:: 1284:. 1280:: 1253:. 1239:: 1212:. 1192:: 1162:. 1142:: 1088:. 1058:. 1046:: 1019:. 995:. 961:. 936:. 906:. 886:: 880:8 863:. 374:e 367:t 360:v

Index

a series
Canadian wildlife

Flora
Fauna
Grasses
Trees
Wildflowers
Molluscs
Ants
Odonates
Butterflies
Moths
Spiders
Fish
Amphibians
Reptiles
Birds
Mammals
Endangered species
Aquatic invasive species
Protected areas
National Wildlife Area
National Parks
Provincial parks
Wildlife sanctuaries
Bird sanctuaries
Nature centers
Wetland sites
CAZA

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