D. V. Basile, N. Battey, H. G. Dickenson, A. Heatherington
{"title":"Post-Translational Modifications in Plants.","authors":"D. V. Basile, N. Battey, H. G. Dickenson, A. Heatherington","doi":"10.2307/2997014","DOIUrl":"https://doi.org/10.2307/2997014","url":null,"abstract":"","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Robert H. Jones, R. Sharitz, S. James, P. Dixon, R. Sharitz, S. James, P. Dixon
were used to quantify shade tolerance and successional status of individual species. In all plots, small stem density decreased and large stem density increased, an indication that the forests were in mid-successional phases where competition is expected to be intense. Shade tolerant species, especially small tree life forms, had the greatest ratios of ingrowth to mortality. Large differences in population flux, even among shade tolerant species, indicated that different mechanisms can account for increases in populations of late-successional species. Within some species, ratios of ingrowth to mortality varied significantly across the gradient reflecting flooding or soil moisture effects on succession.
{"title":"Tree population dynamics in seven South Carolina mixed-species forests'","authors":"Robert H. Jones, R. Sharitz, S. James, P. Dixon, R. Sharitz, S. James, P. Dixon","doi":"10.2307/2997010","DOIUrl":"https://doi.org/10.2307/2997010","url":null,"abstract":"were used to quantify shade tolerance and successional status of individual species. In all plots, small stem density decreased and large stem density increased, an indication that the forests were in mid-successional phases where competition is expected to be intense. Shade tolerant species, especially small tree life forms, had the greatest ratios of ingrowth to mortality. Large differences in population flux, even among shade tolerant species, indicated that different mechanisms can account for increases in populations of late-successional species. Within some species, ratios of ingrowth to mortality varied significantly across the gradient reflecting flooding or soil moisture effects on succession.","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
determine if sloughing in the presence of Eurosta was the rule, we examined four clones grown under greenhouse conditions and five clones excavated in the field using a high-power water jet to uncover the underground rhizomes. The combined population of the McCrea and Abrahamson work and this study confirmed their findings-that rhizomal connection was significantly more likely to disintegrate ("slough") in the presence of galls. However, individual clones showed great variability in this trait, with some clones even being more likely to slough ungalled ramets than galled ramets. Whether or not galls were present, ramets which were shorter, slower growing, and slower to senesce were more likely to be sloughed. One greenhouse clone was distinguished by a hypersensitive, necrotic reaction to oviposition which showed strong correlation with sloughing. Though there is great variability in response, overall, the presence of galls causes more sloughing and further study is needed to see if this impacts the long-term fitness of the clone. We speculate that plant hormones may play a role in the occurrence of sloughing.
{"title":"Disintegration of clonal connections in Solidago altissima (Compositae)","authors":"S. T. How, W. Abrahamson, Michael Zivitz","doi":"10.2307/2997007","DOIUrl":"https://doi.org/10.2307/2997007","url":null,"abstract":"determine if sloughing in the presence of Eurosta was the rule, we examined four clones grown under greenhouse conditions and five clones excavated in the field using a high-power water jet to uncover the underground rhizomes. The combined population of the McCrea and Abrahamson work and this study confirmed their findings-that rhizomal connection was significantly more likely to disintegrate (\"slough\") in the presence of galls. However, individual clones showed great variability in this trait, with some clones even being more likely to slough ungalled ramets than galled ramets. Whether or not galls were present, ramets which were shorter, slower growing, and slower to senesce were more likely to be sloughed. One greenhouse clone was distinguished by a hypersensitive, necrotic reaction to oviposition which showed strong correlation with sloughing. Though there is great variability in response, overall, the presence of galls causes more sloughing and further study is needed to see if this impacts the long-term fitness of the clone. We speculate that plant hormones may play a role in the occurrence of sloughing.","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Cruciferae of Continental North America.","authors":"R. Dorn, R. Rollins","doi":"10.2307/2997018","DOIUrl":"https://doi.org/10.2307/2997018","url":null,"abstract":"","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Rodwell, C. Pigott, D. A. Ratcliffe, A. Mallock, H. Birks, M. Proctor, D. Shimwell, J. Huntley, E. Radford, M. Wigginton, P. Wilkins
{"title":"British plant communities. Volume 3. Grasslands and montane communities.","authors":"J. Rodwell, C. Pigott, D. A. Ratcliffe, A. Mallock, H. Birks, M. Proctor, D. Shimwell, J. Huntley, E. Radford, M. Wigginton, P. Wilkins","doi":"10.2307/2997013","DOIUrl":"https://doi.org/10.2307/2997013","url":null,"abstract":"","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997013","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Comparative Study of Oak-Dominated Forests in the Mid-Appalachians of the Eastern United States and the Kumaun Himalaya of Northern India","authors":"S. Stephenson, A. Saxena","doi":"10.2307/2997011","DOIUrl":"https://doi.org/10.2307/2997011","url":null,"abstract":"","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HOLL, K. D. AND J. CAIRNS, JR. (Department of Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0406). Vegetational community development on reclaimed coal surface mines in Virginia. Bull. Torrey Bot. Club 121: 327-337. 1994.-Coal surface mining has had an immense impact on the landscape of the Appalachian region. This study investigated the composition of the vegetational communities of 18 reclaimed coal surface mined sites at different stages of succession and 5 sites in the surrounding hardwoods. While many species common in the hardwood forests are found in reclaimed sites, the vegetational community composition of older reclaimed sites is far from approximating the composition of the reference hardwood sites. Herbaceous species richness is similar on all sites, while tree species richness increases with site age. Vegetational structure of reclaimed sites differs substantially from the surrounding hardwoods. Although reclaimed sites host many of the more common vegetational species, the role of reclaimed sites in the conservation of the flora of this region appears to be limited.
{"title":"Vegetational community development on reclaimed coal surface mines in Virginia1","authors":"K. Holl, John Cairns join","doi":"10.2307/2997006","DOIUrl":"https://doi.org/10.2307/2997006","url":null,"abstract":"HOLL, K. D. AND J. CAIRNS, JR. (Department of Biology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0406). Vegetational community development on reclaimed coal surface mines in Virginia. Bull. Torrey Bot. Club 121: 327-337. 1994.-Coal surface mining has had an immense impact on the landscape of the Appalachian region. This study investigated the composition of the vegetational communities of 18 reclaimed coal surface mined sites at different stages of succession and 5 sites in the surrounding hardwoods. While many species common in the hardwood forests are found in reclaimed sites, the vegetational community composition of older reclaimed sites is far from approximating the composition of the reference hardwood sites. Herbaceous species richness is similar on all sites, while tree species richness increases with site age. Vegetational structure of reclaimed sites differs substantially from the surrounding hardwoods. Although reclaimed sites host many of the more common vegetational species, the role of reclaimed sites in the conservation of the flora of this region appears to be limited.","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
(Acer rubrum L.) during old field succession in the North Carolina Piedmont: Age structure of red maple in young pine stands. Bull. Torrey Bot. Club 121: 357-359. 1994.-The age structure of red maple (Acer rubrum L.) in two agricultural fields that were abandoned 16 and 20 yr ago was investigated in order to determine the timing of this species' invasion during the North Carolina piedmont old field successional sequence. At the 20 yr old site, red maples in the 6-12 yr age classes accounted for 78% of the individuals measured, and individuals in the 2-5 and 13-20 yr age classes were poorly represented. Individuals in the 2-7 yr age classes made up 86% of the red maples sampled at the 16 yr old site. These data suggest that most successful red maple establishment in the early phase of the piedmont successional sequence does not occur until 6-9 yr after abandonment of the field. The results of this study contrast with those identified by Rankin and Pickett's (1989) study of red maple invasion in a New Jersey old field, which indicated that most successful invaders established within the first 2 yr after abandonment. Local and regional variation in the opening and closing of establishment windows for red maple during old field successional sequences may result from differences in climate, soils, seed predation, seed availability, site size and shape, or herbivory.
{"title":"Invasion of red maple (Acer rubrum L.) during old field succession in the North Carolina Piedmont: Age structure of red maple in young pine stands","authors":"Patricia A. Peronil","doi":"10.2307/2997009","DOIUrl":"https://doi.org/10.2307/2997009","url":null,"abstract":"(Acer rubrum L.) during old field succession in the North Carolina Piedmont: Age structure of red maple in young pine stands. Bull. Torrey Bot. Club 121: 357-359. 1994.-The age structure of red maple (Acer rubrum L.) in two agricultural fields that were abandoned 16 and 20 yr ago was investigated in order to determine the timing of this species' invasion during the North Carolina piedmont old field successional sequence. At the 20 yr old site, red maples in the 6-12 yr age classes accounted for 78% of the individuals measured, and individuals in the 2-5 and 13-20 yr age classes were poorly represented. Individuals in the 2-7 yr age classes made up 86% of the red maples sampled at the 16 yr old site. These data suggest that most successful red maple establishment in the early phase of the piedmont successional sequence does not occur until 6-9 yr after abandonment of the field. The results of this study contrast with those identified by Rankin and Pickett's (1989) study of red maple invasion in a New Jersey old field, which indicated that most successful invaders established within the first 2 yr after abandonment. Local and regional variation in the opening and closing of establishment windows for red maple during old field successional sequences may result from differences in climate, soils, seed predation, seed availability, site size and shape, or herbivory.","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Lespedeza striata (Fabaceae), an addition to the flora of New York, with notes on its introduction and spread in the eastern United States","authors":"E. Lamont","doi":"10.2307/2997012","DOIUrl":"https://doi.org/10.2307/2997012","url":null,"abstract":"","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68413837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
MITCHELL, R. S. (Biological Survey, New York State Museum, 3132 C.E.C., Albany, NY 12230), T. E. MAENzA-GMELcH (Dept. of Biology, New York University, 1009 Main Bldg., Washington Square, New York, NY 10003) ANDr J. G. BARsouR (3000 Fishcreek Rd., Saugerties, NY 12477). Utricularia inflata Walt. (Lentibulariaceae), new to New York State. Bull. Torrey Bot. Club 121: 295-297.-The large floating bladderwort (Utricularia inflata Walt.) is reported for the first time from New York State. Pertinent literature and the distribution, morphology and cytology of the species are discussed, comparing it with closely related U. radiata Small, a taxon with which it has been historically confused. Recent discovery of the large bladderwort in Massachusetts is noted, suggesting the possibility that its distribution range may be expanding northward.
MITCHELL, R. S.(生物调查，纽约州博物馆，3132 C.E.C，奥尔巴尼，NY 12230)， T. E. MAENzA-GMELcH(纽约大学生物系，1009 Main building, Washington Square, New York, NY 10003)和J. G. BARsouR (3000 Fishcreek Rd, Saugerties, NY 12477)。华特。(扁桃科)，纽约州新发现。公牛。托里机器人。俱乐部121:295-297。大型漂浮狸藻(Utricularia inflata Walt.)首次在纽约州报道。本文讨论了相关文献和该物种的分布、形态和细胞学，并将其与历史上一直混淆的近亲U. radiata Small分类群进行了比较。最近在马萨诸塞州发现了大型狸藻，这表明其分布范围可能正在向北扩展。
{"title":"Utricularia inflata Walt. (Lentibulariaceae), new to New York State","authors":"R. S. Mitchell, T. Maenza-Gmelch, J. G. Barbour","doi":"10.2307/2997184","DOIUrl":"https://doi.org/10.2307/2997184","url":null,"abstract":"MITCHELL, R. S. (Biological Survey, New York State Museum, 3132 C.E.C., Albany, NY 12230), T. E. MAENzA-GMELcH (Dept. of Biology, New York University, 1009 Main Bldg., Washington Square, New York, NY 10003) ANDr J. G. BARsouR (3000 Fishcreek Rd., Saugerties, NY 12477). Utricularia inflata Walt. (Lentibulariaceae), new to New York State. Bull. Torrey Bot. Club 121: 295-297.-The large floating bladderwort (Utricularia inflata Walt.) is reported for the first time from New York State. Pertinent literature and the distribution, morphology and cytology of the species are discussed, comparing it with closely related U. radiata Small, a taxon with which it has been historically confused. Recent discovery of the large bladderwort in Massachusetts is noted, suggesting the possibility that its distribution range may be expanding northward.","PeriodicalId":9453,"journal":{"name":"Bulletin of the Torrey Botanical Club","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1994-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2307/2997184","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68415561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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