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<document id="EA4C34F93AFAF9554062FD6F7958D632" ID-CLB-Dataset="5039" ID-DOI="10.1080/00222933.2018.1492749" ID-GBIF-Dataset="c7756ba6-f426-40d4-ad71-e65fc2430d6f" ID-ISSN="1464-5262" ID-Zenodo-Dep="5175099" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628562071246" checkinUser="felipe" docAuthor="Ramos, Yan Gabriel Celli, Aximoff, Izar Araujo &amp; Rosa, Clarissa Alves da" docDate="2018" docId="9C08B8186737A119FF796EB6FE60FD79" docLanguage="en" docName="JNatHist.52.27-28.1801-1815.pdf" docOrigin="Journal of Natural History 52 (27 - 28)" docSource="http://dx.doi.org/10.1080/00222933.2018.1492749" docStyle="DocumentStyle:485A7191CD41D6261F41521A3380DC73.9:JNatHist.2017-.journal_article.1cover" docStyleId="485A7191CD41D6261F41521A3380DC73" docStyleName="JNatHist.2017-.journal_article.1cover" docStyleVersion="9" docTitle="Data Walker 1862" docType="treatment" docVersion="7" lastPageNumber="1806" masterDocId="6031C0606733A11FFFD96E3BFFD4FFA8" masterDocTitle="Capybaras (Rodentia: Cavidae) in highlands: environmental variables related to distribution, and herbivory effects on a common plant species" masterLastPageNumber="1815" masterPageNumber="1801" pageNumber="1804" updateTime="1699071634849" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="FBDF1BFBEDDFB07BBA19E74CB8CF0DA4">Capybaras (Rodentia: Cavidae) in highlands: environmental variables related to distribution, and herbivory effects on a common plant species</mods:title>
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<mods:namePart id="FEB08DFD7EBD8B39E6B06F4C1FDF7ABA">Ramos, Yan Gabriel Celli</mods:namePart>
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collection
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<paragraph id="141E090E6737A11BFF796EF8FB50FDF0" blockId="4.[160,1156,195,912]" pageId="4" pageNumber="1804">
To assess the environmental variables related to the occurrence of capybara in high-altitude grasslands, we sampled 15 sites, spaced
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apart, located in valleys with permanent water bodies, between 2280 and
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altitude along the Aiuruoca and Campo Belo river basins (
<figureCitation id="8C9A158B6737A11BFEF16F10FE54FEEB" box="[296,384,299,323]" captionStart="Figure 1" captionStartId="4.[160,225,1735,1758]" captionTargetBox="[164,1152,998,1704]" captionTargetId="figure-327@4.[163,1153,997,1705]" captionTargetPageId="4" captionText="Figure 1. Study area showing the sampled sites (red circles) for capybara occurrence. The yellow line indicates the perimeter of Itatiaia National Park, located in the south-eastern region of Brazil." figureDoi="http://doi.org/10.5281/zenodo.5175101" httpUri="https://zenodo.org/record/5175101/files/figure.png" pageId="4" pageNumber="1804">Figure 1</figureCitation>
). We conducted six bimonthly sampling campaigns between
<date id="601F2FCE6737A11BFBC76F10FB57FEEB" box="[1054,1155,299,323]" pageId="4" pageNumber="1804" value="2014-07">July 2014</date>
and
<date id="601F2FCE6737A11BFF166F75FEEAFECE" box="[207,318,334,358]" pageId="4" pageNumber="1804" value="2015-06">June 2015</date>
. In each sampling site, one observer performed an active search for 30 minutes for evidence of capybara presence, seeking to register capybara tracks (e.g. footprint, faeces;
<figureCitation id="8C9A158B6737A11BFF796FA8FE97FE03" box="[160,323,403,427]" captionStart="Figure 2" captionStartId="5.[160,225,1603,1626]" captionTargetBox="[166,1156,142,1572]" captionTargetId="figure-1@5.[166,1156,142,1572]" captionTargetPageId="5" captionText="Figure 2. (a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of Hydrochoerus hydrochaeris at the study site; (d) herbivory on the rosette of the Actinocephalus polyanthus by Hydrochoerus hydrochaeris; (e) normal rosette of the A. polyanthus; (f) normal flowering of A. polyanthus; and (g) anomalous flowering in rosettes of A. polyanthus that underwent foliar damage by capybara herbivory." figureDoi="http://doi.org/10.5281/zenodo.5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="4" pageNumber="1804">Figure 2b and c</figureCitation>
). We choose 30 minutes of search because it is the average time spent to cover the entire valley of each sampling point (~3 ha). We chose to evaluate capybara occurrence using indirect tracks, and standardised by time, because our sampling sites were difficult to access and seasonally flooded, which did not allow us to set a fixed radius or transect. We did not perform direct counts because we believe the species presents a low density in our study area and individuals are rarely observed. In fact, we did not observe any capybara individuals.
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<paragraph id="141E090E6737A11BFF196C58FB85FC38" blockId="4.[160,1156,195,912]" pageId="4" pageNumber="1804">
We evaluated three environmental variables that may influence capybara distribution: the river basin (Aiuruoca and Campo Belo rivers), soil cover and vegetation structure. We categorised the soil cover and vegetation structure of each sampled site in the field, according to the method of
<bibRefCitation id="703074FF6737A11BFE386CF0FC8DFD4B" author="Sanguinetti J &amp; Kitzberger T" box="[481,857,715,739]" pageId="4" pageNumber="1804" pagination="689 - 706" refId="ref8105" refString="Sanguinetti J, Kitzberger T. 2010. Factors controlling seed predation by rodents and non-native Sus scrofa in Araucaria araucana forests: potential effects on seedling establishment. Biol Invasions. 12: 689 - 706." type="journal article" year="2010">Sanguinetti and Kitzberger (2010)</bibRefCitation>
. We divided the soil cover into three categories: (1) dry rocky areas (high-altitude grasslands with rocky and dry areas); (2) waterlogged rocky areas (high-altitude grasslands with rocky areas and flooded at least 8 months per year); (3) waterlogged areas (high-altitude grasslands without rocky areas and flooded during at least 8 months per year). We divided the vegetation structure into two categories: (1) low (forbs and grasses); and (2) medium (shrubs and bamboo thickets).
</paragraph>
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<paragraph id="141E090E6737A11BFF7968FCFB99F954" blockId="4.[160,1155,1735,1788]" pageId="4" pageNumber="1804">
<emphasis id="26D5D51C6737A11BFF7968FCFF2EF976" bold="true" box="[160,250,1735,1758]" pageId="4" pageNumber="1804">Figure 1.</emphasis>
Study area showing the sampled sites (red circles) for capybara occurrence. The yellow line indicates the perimeter of Itatiaia National Park, located in the south-eastern region of Brazil.
</paragraph>
</caption>
<caption id="40DE59866736A11AFF796878FCFAF967" ID-DOI="http://doi.org/10.5281/zenodo.5175103" ID-Zenodo-Dep="5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="5" pageNumber="1805" startId="5.[160,225,1603,1626]" targetBox="[166,1156,142,1572]" targetPageId="5">
<paragraph id="141E090E6736A11AFF796878FCFAF967" blockId="5.[160,1162,1603,1743]" pageId="5" pageNumber="1805">
<emphasis id="26D5D51C6736A11AFF796878FF2BF9F2" bold="true" box="[160,255,1603,1626]" pageId="5" pageNumber="1805">Figure 2.</emphasis>
(a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of
<taxonomicName id="D3A1728D6736A11AFDFE685BFCFFF9DF" authorityName=", Linnaeus" authorityYear="1766" box="[551,811,1632,1655]" class="Mammalia" family="Caviidae" genus="Hydrochoerus" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="1805" phylum="Chordata" rank="species" species="hydrochaeris">
<emphasis id="26D5D51C6736A11AFDFE685BFCFFF9DF" box="[551,811,1632,1655]" italics="true" pageId="5" pageNumber="1805">Hydrochoerus hydrochaeris</emphasis>
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at the study site; (d) herbivory on the rosette of the
<taxonomicName id="D3A1728D6736A11AFE816846FD8EF93C" box="[344,602,1661,1684]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="5" pageNumber="1805" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6736A11AFE816846FD8EF93C" box="[344,602,1661,1684]" italics="true" pageId="5" pageNumber="1805">Actinocephalus polyanthus</emphasis>
</taxonomicName>
by
<taxonomicName id="D3A1728D6736A11AFD586846FC51F93C" authorityName=", Linnaeus" authorityYear="1766" box="[641,901,1661,1684]" class="Mammalia" family="Caviidae" genus="Hydrochoerus" kingdom="Animalia" order="Rodentia" pageId="5" pageNumber="1805" phylum="Chordata" rank="species" species="hydrochaeris">
<emphasis id="26D5D51C6736A11AFD586846FC51F93C" box="[641,901,1661,1684]" italics="true" pageId="5" pageNumber="1805">Hydrochoerus hydrochaeris</emphasis>
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; (e) normal rosette of the
<taxonomicName id="D3A1728D6736A11AFF7968A1FEF2F919" box="[160,294,1690,1713]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="5" pageNumber="1805" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6736A11AFF7968A1FEF2F919" box="[160,294,1690,1713]" italics="true" pageId="5" pageNumber="1805">A. polyanthus</emphasis>
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; (f) normal flowering of
<taxonomicName id="D3A1728D6736A11AFDFD68A1FD7EF919" box="[548,682,1690,1713]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="5" pageNumber="1805" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6736A11AFDFD68A1FD7EF919" box="[548,682,1690,1713]" italics="true" pageId="5" pageNumber="1805">A. polyanthus</emphasis>
</taxonomicName>
; and (g) anomalous flowering in rosettes of
<taxonomicName id="D3A1728D6736A11AFBAE68A1FEDEF967" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="5" pageNumber="1805" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6736A11AFBAE68A1FEDEF967" italics="true" pageId="5" pageNumber="1805">A. polyanthus</emphasis>
</taxonomicName>
that underwent foliar damage by capybara herbivory.
</paragraph>
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<paragraph id="141E090E6735A119FF196EB5FE60FD79" blockId="6.[160,1156,142,721]" pageId="6" pageNumber="1806">
From
<date id="601F2FCE6735A119FEDD6EB5FEBBFF0E" box="[260,367,142,166]" pageId="6" pageNumber="1806" value="2013-07">July 2013</date>
to
<date id="601F2FCE6735A119FE406EB5FDC4FF0E" box="[409,528,142,166]" pageId="6" pageNumber="1806" value="2014-06">June 2014</date>
, we evaluated the effects of capybara herbivory on all reproductive stages of
<taxonomicName id="D3A1728D6735A119FE726E8BFD97FF61" box="[427,579,176,201]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="6" pageNumber="1806" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6735A119FE726E8BFD97FF61" box="[427,579,176,201]" italics="true" pageId="6" pageNumber="1806">A. polyanthus</emphasis>
</taxonomicName>
in one of the largest marshes in the region, with around 2 ha of flooded area in the summer, situated at
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asl. In a previous visit to the sampling area, we noticed that capybara herbivory was restricted to the vicinity of the flooded area. We therefore restricted our sampling to a 50-m radius around the freshwater marsh, where we recorded the number of rosettes of
<taxonomicName id="D3A1728D6735A119FC686F00FB98FEFC" box="[945,1100,315,340]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="6" pageNumber="1806" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6735A119FC686F00FB98FEFC" box="[945,1100,315,340]" italics="true" pageId="6" pageNumber="1806">A. polyanthus</emphasis>
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, the proportion of those that underwent herbivory (we considered damaged rosettes those having at least 1/3 of the leaves with damage suffered by herbivory;
<figureCitation id="8C9A158B6735A119FC756FBAFBC3FE31" box="[940,1047,385,409]" captionStart="Figure 2" captionStartId="5.[160,225,1603,1626]" captionTargetBox="[166,1156,142,1572]" captionTargetId="figure-1@5.[166,1156,142,1572]" captionTargetPageId="5" captionText="Figure 2. (a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of Hydrochoerus hydrochaeris at the study site; (d) herbivory on the rosette of the Actinocephalus polyanthus by Hydrochoerus hydrochaeris; (e) normal rosette of the A. polyanthus; (f) normal flowering of A. polyanthus; and (g) anomalous flowering in rosettes of A. polyanthus that underwent foliar damage by capybara herbivory." figureDoi="http://doi.org/10.5281/zenodo.5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="6" pageNumber="1806">Figure 2d</figureCitation>
), and the proportion of those that had not undergone herbivory (intact rosettes;
<figureCitation id="8C9A158B6735A119FC3A6F9FFB9BFE14" box="[995,1103,420,444]" captionStart="Figure 2" captionStartId="5.[160,225,1603,1626]" captionTargetBox="[166,1156,142,1572]" captionTargetId="figure-1@5.[166,1156,142,1572]" captionTargetPageId="5" captionText="Figure 2. (a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of Hydrochoerus hydrochaeris at the study site; (d) herbivory on the rosette of the Actinocephalus polyanthus by Hydrochoerus hydrochaeris; (e) normal rosette of the A. polyanthus; (f) normal flowering of A. polyanthus; and (g) anomalous flowering in rosettes of A. polyanthus that underwent foliar damage by capybara herbivory." figureDoi="http://doi.org/10.5281/zenodo.5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="6" pageNumber="1806">Figure 2e</figureCitation>
). To assess the reproductive phenology of
<taxonomicName id="D3A1728D6735A119FD8A6FFEFD3DFE76" box="[595,745,453,478]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="6" pageNumber="1806" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6735A119FD8A6FFEFD3DFE76" box="[595,745,453,478]" italics="true" pageId="6" pageNumber="1806">A. polyanthus</emphasis>
</taxonomicName>
, we counted the number of flowering and fruiting rosettes during 1 year (
<figureCitation id="8C9A158B6735A119FDB46FD2FD07FDA9" box="[621,723,489,513]" captionStart="Figure 2" captionStartId="5.[160,225,1603,1626]" captionTargetBox="[166,1156,142,1572]" captionTargetId="figure-1@5.[166,1156,142,1572]" captionTargetPageId="5" captionText="Figure 2. (a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of Hydrochoerus hydrochaeris at the study site; (d) herbivory on the rosette of the Actinocephalus polyanthus by Hydrochoerus hydrochaeris; (e) normal rosette of the A. polyanthus; (f) normal flowering of A. polyanthus; and (g) anomalous flowering in rosettes of A. polyanthus that underwent foliar damage by capybara herbivory." figureDoi="http://doi.org/10.5281/zenodo.5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="6" pageNumber="1806">Figure 2f</figureCitation>
;
<bibRefCitation id="703074FF6735A119FD3B6FD2FC2DFDA9" author="Freitas L &amp; Sazima M" box="[738,1017,489,513]" pageId="6" pageNumber="1806" pagination="465 - 516" refId="ref6655" refString="Freitas L, Sazima M. 2006. Pollination biology in a tropical high-altitude grassland in Brazil: interactions at the community level. Ann Mo Bot Gard. 93: 465 - 516." type="journal article" year="2006">Freitas and Sazima 2006</bibRefCitation>
) during the monthly sampling. To study the effects of herbivory on reproductive phenology of
<taxonomicName id="D3A1728D6735A119FBB76C30FECCFDEE" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="6" pageNumber="1806" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6735A119FBB76C30FECCFDEE" italics="true" pageId="6" pageNumber="1806">A. polyanthus</emphasis>
</taxonomicName>
, we counted the number of damaged and intact rosettes that were in flower. Each rosette of
<taxonomicName id="D3A1728D6735A119FE896C6BFE31FDC1" box="[336,485,592,617]" class="Liliopsida" family="Actinocephalidae" genus="Actinocephalus" kingdom="Chromista" order="Eugregarinida" pageId="6" pageNumber="1806" phylum="Miozoa" rank="species" species="polyanthus">
<emphasis id="26D5D51C6735A119FE896C6BFE31FDC1" box="[336,485,592,617]" italics="true" pageId="6" pageNumber="1806">A. polyanthus</emphasis>
</taxonomicName>
has 33 umbels on average (
<bibRefCitation id="703074FF6735A119FCF86C6AFC0BFDC1" author="Trovo M &amp; Sano PT &amp; Winkworth R" box="[801,991,593,617]" pageId="6" pageNumber="1806" pagination="634 - 643" refId="ref8480" refString="Trovo M, Sano PT, Winkworth R. 2008. Morphology and environment: geographic distribution, ecological disjunction, and morphological variation in Actinocephalus polyanthus (Bong.) Sano (Eriocaulaceae). Feddes Repert. 119: 634 - 643." type="journal article" year="2008">Trovó et al. 2008</bibRefCitation>
); however, we discovered during field sampling that some damaged rosettes had only one umbel (
<figureCitation id="8C9A158B6735A119FF7E6CADFECCFD06" box="[167,280,662,686]" captionStart="Figure 2" captionStartId="5.[160,225,1603,1626]" captionTargetBox="[166,1156,142,1572]" captionTargetId="figure-1@5.[166,1156,142,1572]" captionTargetPageId="5" captionText="Figure 2. (a) The high-altitude grasslands of the Itatiaia National Park, surrounding the studied marsh; (b) footprints and (c) faeces of Hydrochoerus hydrochaeris at the study site; (d) herbivory on the rosette of the Actinocephalus polyanthus by Hydrochoerus hydrochaeris; (e) normal rosette of the A. polyanthus; (f) normal flowering of A. polyanthus; and (g) anomalous flowering in rosettes of A. polyanthus that underwent foliar damage by capybara herbivory." figureDoi="http://doi.org/10.5281/zenodo.5175103" httpUri="https://zenodo.org/record/5175103/files/figure.png" pageId="6" pageNumber="1806">
Figure
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). We classified this as anomalous and counted the number of damaged rosettes with anomalies.
</paragraph>
</subSubSection>
</treatment>
</document>