The effects of light availability, prey capture, and their interaction on pitcher plant morphology
Carnivorous plants inhabit nutrient-poor environments and supplement nutrient acquisition by capturing prey. Carnivorous adaptations have been hypothesized to be beneficial only in environments with high-light availability. We hypothesized that plant morphology would change in response to resource a...
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| Veröffentlicht in: | Plant ecology 2023-06, Vol.224 (6), p.539-548 |
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| creator | Segala, Michael Christopher Horner, John D. |
| description | Carnivorous plants inhabit nutrient-poor environments and supplement nutrient acquisition by capturing prey. Carnivorous adaptations have been hypothesized to be beneficial only in environments with high-light availability. We hypothesized that plant morphology would change in response to resource availability (light and prey capture). In a field experiment in Leon County, Texas, we examined the effects of feeding, shading, and their interaction on pitcher plant (
Sarracenia alata
) morphology. When light availability was reduced, plants produced pitchers that had smaller diameters. The sum of pitcher heights was significantly lower for unfed plants than fed plants. As the season progressed, competing vegetation reduced light availability to pitchers in all treatments. Plants in all treatments produced pitchers that were blade-like with a small, non-functional opening and a widened keel. This experiment provides support for the theoretical model that carnivorous structures are only beneficial under conditions of high-light availability. It also emphasizes the importance of periodic burns of carnivorous plant bogs to reduce competing vegetation. |
| doi_str_mv | 10.1007/s11258-023-01320-6 |
| format | Article |
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Sarracenia alata
) morphology. When light availability was reduced, plants produced pitchers that had smaller diameters. The sum of pitcher heights was significantly lower for unfed plants than fed plants. As the season progressed, competing vegetation reduced light availability to pitchers in all treatments. Plants in all treatments produced pitchers that were blade-like with a small, non-functional opening and a widened keel. This experiment provides support for the theoretical model that carnivorous structures are only beneficial under conditions of high-light availability. It also emphasizes the importance of periodic burns of carnivorous plant bogs to reduce competing vegetation.</description><identifier>ISSN: 1385-0237</identifier><identifier>EISSN: 1573-5052</identifier><identifier>DOI: 10.1007/s11258-023-01320-6</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Applied Ecology ; Availability ; Biodiversity ; Biomedical and Life Sciences ; Bogs ; carnivores ; carnivorous plants ; Community & Population Ecology ; Ecology ; field experimentation ; Life Sciences ; Light ; Morphology ; Nutrients ; Plant Ecology ; Plant morphology ; Plants ; Plants (botany) ; Prey ; Resource availability ; Sarracenia alata ; Terrestial Ecology ; Texas ; theoretical models ; Vegetation</subject><ispartof>Plant ecology, 2023-06, Vol.224 (6), p.539-548</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c303t-c3c6dac1b645544d3650aaa2750f181561bdc5edec33af8285dfd4a06c940a8b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11258-023-01320-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11258-023-01320-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids></links><search><creatorcontrib>Segala, Michael Christopher</creatorcontrib><creatorcontrib>Horner, John D.</creatorcontrib><title>The effects of light availability, prey capture, and their interaction on pitcher plant morphology</title><title>Plant ecology</title><addtitle>Plant Ecol</addtitle><description>Carnivorous plants inhabit nutrient-poor environments and supplement nutrient acquisition by capturing prey. Carnivorous adaptations have been hypothesized to be beneficial only in environments with high-light availability. We hypothesized that plant morphology would change in response to resource availability (light and prey capture). In a field experiment in Leon County, Texas, we examined the effects of feeding, shading, and their interaction on pitcher plant (
Sarracenia alata
) morphology. When light availability was reduced, plants produced pitchers that had smaller diameters. The sum of pitcher heights was significantly lower for unfed plants than fed plants. As the season progressed, competing vegetation reduced light availability to pitchers in all treatments. Plants in all treatments produced pitchers that were blade-like with a small, non-functional opening and a widened keel. This experiment provides support for the theoretical model that carnivorous structures are only beneficial under conditions of high-light availability. 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Sarracenia alata
) morphology. When light availability was reduced, plants produced pitchers that had smaller diameters. The sum of pitcher heights was significantly lower for unfed plants than fed plants. As the season progressed, competing vegetation reduced light availability to pitchers in all treatments. Plants in all treatments produced pitchers that were blade-like with a small, non-functional opening and a widened keel. This experiment provides support for the theoretical model that carnivorous structures are only beneficial under conditions of high-light availability. It also emphasizes the importance of periodic burns of carnivorous plant bogs to reduce competing vegetation.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s11258-023-01320-6</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied Ecology Availability Biodiversity Biomedical and Life Sciences Bogs carnivores carnivorous plants Community & Population Ecology Ecology field experimentation Life Sciences Light Morphology Nutrients Plant Ecology Plant morphology Plants Plants (botany) Prey Resource availability Sarracenia alata Terrestial Ecology Texas theoretical models Vegetation |
| title | The effects of light availability, prey capture, and their interaction on pitcher plant morphology |
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