Item talk:Q246065
From geokb
{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "Article", "additionalType": "Journal Article", "name": "Seed dispersal and seed fate in Joshua tree (Yucca brevifolia)", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70193313", "url": "https://pubs.usgs.gov/publication/70193313" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70193313 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.jaridenv.2011.12.012", "url": "https://doi.org/10.1016/j.jaridenv.2011.12.012" } ], "journal": { "@type": "Periodical", "name": "Journal of Arid Environments", "volumeNumber": "81", "issueNumber": null }, "inLanguage": "en", "isPartOf": [ { "@type": "CreativeWorkSeries", "name": "Journal of Arid Environments" } ], "datePublished": "2012", "dateModified": "2017-10-31", "abstract": "Joshua tree (Yucca brevifolia) is a charismatic symbol of the Mojave Desert. Despite its familiarity, we know little about the reproduction of this species, including mechanisms of seed dispersal. Here we examine mechanisms of seed dispersal and resulting seed fate. We experimentally tracked fruit and seed removal and followed the fates of Joshua tree seeds using radioactive tracers. The majority of Joshua tree fruits monitored were taken directly from the tree canopy by white-tailed antelope squirrels, and seeds and fruits on the soil surface were quickly removed by animals. Rodents given seeds labeled with scandium-46 cached them between 0.1\u00a0cm and 4.1\u00a0cm deep. Seedling emergence was most common for seeds planted 1\u00a0cm deep, whereas seeds placed on the soil surface seldom germinated. Wind dispersal is unlikely because fruits and seeds lack adaptations for wind dispersal; wind speeds required to move Joshua tree seeds and fruits across the soil surface were higher than those typically found in the Mojave Desert. Further, rodents removed most seeds before abiotic burial was possible. We conclude that most Joshua tree seeds are dispersed by scatter hoarding by rodents, and that caches made by rodents are suitable sites for seedling emergence.", "description": "8 p.", "publisher": { "@type": "Organization", "name": "Elsevier" }, "author": [ { "@type": "Person", "name": "Esque, Todd C. tesque@usgs.gov", "givenName": "Todd C.", "familyName": "Esque", "email": "tesque@usgs.gov", "identifier": { "@type": "PropertyValue", "propertyID": "ORCID", "value": "0000-0002-4166-6234", "url": "https://orcid.org/0000-0002-4166-6234" }, "affiliation": [ { "@type": "Organization", "name": "Western Ecological Research Center", "url": "https://www.usgs.gov/centers/werc" } ] }, { "@type": "Person", "name": "Vander Wall, S.B.", "givenName": "S.B.", "familyName": "Vander Wall", "affiliation": [ { "@type": "Organization", "name": "University of Nevada, Reno" } ] }, { "@type": "Person", "name": "Waitman, B.A.", "givenName": "B.A.", "familyName": "Waitman", "affiliation": [ { "@type": "Organization", "name": "University of California, Davis" } ] } ], "funder": [ { "@type": "Organization", "name": "Western Ecological Research Center", "url": "https://www.usgs.gov/centers/werc" } ], "spatialCoverage": [ { "@type": "Place", "additionalType": "country", "name": "United States", "url": "https://geonames.org/4074035" }, { "@type": "Place", "additionalType": "unknown", "name": "Mojave Desert", "url": "https://geonames.org/5373972" } ] }, "OpenAlex": { "abstract_inverted_index": { "Joshua": [ 0, 52, 61, 142, 175 ], "tree": [ 1, 53, 62, 70, 143, 176 ], "(Yucca": [ 2 ], "brevifolia)": [ 3 ], "is": [ 4, 126 ], "a": [ 5 ], "charismatic": [ 6 ], "symbol": [ 7 ], "of": [ 8, 21, 26, 33, 51, 60 ], "the": [ 9, 19, 49, 69, 81, 119, 148, 158 ], "Mojave": [ 10, 159 ], "Desert.": [ 11, 160 ], "Despite": [ 12 ], "its": [ 13 ], "familiarity,": [ 14 ], "we": [ 15, 30 ], "know": [ 16 ], "little": [ 17 ], "about": [ 18 ], "reproduction": [ 20 ], "this": [ 22 ], "species,": [ 23 ], "including": [ 24 ], "mechanisms": [ 25, 32 ], "seed": [ 27, 34, 38, 45 ], "dispersal.": [ 28 ], "Here": [ 29 ], "examine": [ 31 ], "dispersal": [ 35, 125 ], "and": [ 36, 44, 47, 76, 78, 100, 130, 145, 185 ], "resulting": [ 37 ], "fate.": [ 39 ], "We": [ 40, 171 ], "experimentally": [ 41 ], "tracked": [ 42 ], "fruit": [ 43 ], "removal": [ 46 ], "followed": [ 48 ], "fates": [ 50 ], "seeds": [ 54, 77, 91, 110, 116, 131, 144, 165, 177 ], "using": [ 55 ], "radioactive": [ 56 ], "tracers.": [ 57 ], "The": [ 58 ], "majority": [ 59 ], "fruits": [ 63, 79, 129, 146 ], "monitored": [ 64 ], "were": [ 65, 84, 151 ], "taken": [ 66 ], "directly": [ 67 ], "from": [ 68 ], "canopy": [ 71 ], "by": [ 72, 87, 180, 183, 189 ], "white-tailed": [ 73 ], "antelope": [ 74 ], "squirrels,": [ 75 ], "on": [ 80, 118 ], "soil": [ 82, 120, 149 ], "surface": [ 83, 121, 150 ], "quickly": [ 85 ], "removed": [ 86, 163 ], "animals.": [ 88 ], "Rodents": [ 89 ], "given": [ 90 ], "labeled": [ 92 ], "with": [ 93 ], "scandium-46": [ 94 ], "cached": [ 95 ], "them": [ 96 ], "between": [ 97 ], "0.1": [ 98 ], "cm": [ 99, 102, 113 ], "4.1": [ 101 ], "deep.": [ 103 ], "Seedling": [ 104 ], "emergence": [ 105 ], "was": [ 106, 169 ], "most": [ 107, 164, 174 ], "common": [ 108 ], "for": [ 109, 134, 194 ], "planted": [ 111 ], "1": [ 112 ], "deep,": [ 114 ], "whereas": [ 115 ], "placed": [ 117 ], "seldom": [ 122 ], "germinated.": [ 123 ], "Wind": [ 124 ], "unlikely": [ 127 ], "because": [ 128 ], "lack": [ 132 ], "adaptations": [ 133 ], "wind": [ 135, 137 ], "dispersal;": [ 136 ], "speeds": [ 138 ], "required": [ 139 ], "to": [ 140 ], "move": [ 141 ], "across": [ 147 ], "higher": [ 152 ], "than": [ 153 ], "those": [ 154 ], "typically": [ 155 ], "found": [ 156 ], "in": [ 157 ], "Further,": [ 161 ], "rodents": [ 162, 190 ], "before": [ 166 ], "abiotic": [ 167 ], "burial": [ 168 ], "possible.": [ 170 ], "conclude": [ 172 ], "that": [ 173, 186 ], "are": [ 178, 191 ], "dispersed": [ 179 ], "scatter": [ 181 ], "hoarding": [ 182 ], "rodents,": [ 184 ], "caches": [ 187 ], "made": [ 188 ], "suitable": [ 192 ], "sites": [ 193 ], "seedling": [ 195 ], "emergence.": [ 196 ] }, "apc_list": { "value": 2950, "currency": "USD", "value_usd": 2950, "provenance": "doaj" }, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5085626216", "display_name": "Ben A. 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