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  1. AU="Comiskey, J."
  2. AU="Ocieczek, Paulina"
  3. AU="Strausz, Satu"
  4. AU="Defanti, Carlo Alberto"
  5. AU="Vyse, Timothy J"
  6. AU="Appel, Robson Mateus"
  7. AU="Masahiro Yasunaga"
  8. AU="Westphal, Joachim"
  9. AU="Zhiqi, Huang"
  10. AU="Acevedo, A C"
  11. AU="García-Cenador, Begoña"
  12. AU="Wisecup, Ciara"
  13. AU="Scortti, Mariela"
  14. AU="Allen, David M."
  15. AU="Martínez, J Alfredo"

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  1. Artikel ; Online: Overabundant deer and invasive plants drive widespread regeneration debt in eastern United States national parks

    Miller, Kathryn M. / Perles, Stephanie J. / Schmit, John Paul / Matthews, Elizabeth R. / Weed, Aaron S. / Comiskey, J. A. / Marshall, Matt / Nelson, Peter / Fisichelli, Nicholas A.

    Ecological Applications. 2023 June, v. 33, no. 4 p.e2837-

    2023  

    Abstract: Advanced regeneration, in the form of tree seedlings and saplings, is critical for ensuring the long‐term viability and resilience of forest ecosystems in the eastern United States. Lack of regeneration and/or compositional mismatch between regeneration ... ...

    Abstract Advanced regeneration, in the form of tree seedlings and saplings, is critical for ensuring the long‐term viability and resilience of forest ecosystems in the eastern United States. Lack of regeneration and/or compositional mismatch between regeneration and canopy layers, called regeneration debt, can lead to shifts in forest composition, structure, and, in extreme cases, forest loss. In this study, we examined status and trends in regeneration across 39 national parks from Virginia to Maine, spanning 12 years to apply the regeneration debt concept. We further refined the concept by adding new metrics and classifying results into easily interpreted categories adapted from the literature: imminent failure, probable failure, insecure, and secure. We then used model selection to determine the potential drivers most influencing patterns of regeneration debt. Status and trends indicated widespread regeneration debt in eastern national parks, with 27 of 39 parks classified as imminent or probable failure. Deer browse impact was consistently the strongest predictor of regeneration abundance. The most pervasive component of regeneration debt observed across parks was a sapling bottleneck, characterized by critically low sapling density of native canopy species and significant declines in native canopy sapling basal area or density for most parks. Regeneration mismatches also threaten forest resilience in many parks, where native canopy seedlings and saplings were outnumbered by native subcanopy species, particularly species that are less palatable deer browse. The devastating impact of emerald ash borer eliminating ash as a native canopy tree also drove regeneration mismatches in many parks that contain abundant ash regeneration, demonstrating the vulnerability of forests that lack diverse understories to invasive pests and pathogens. These findings underscore the critical importance of an integrated forest management approach that promotes an abundant and diverse regeneration layer. In most cases, this can only be achieved through long‐term (i.e., multidecadal) management of white‐tailed deer and invasive plants. Small‐scale disturbances that increase structural complexity may also promote regeneration where stress from deer and invasive plants is minimal. Without immediate and sustained management intervention, the forest loss we are already observing may become a widespread pattern in eastern national parks and the broader region.
    Schlagwörter Agrilus planipennis ; Odocoileus virginianus ; advanced regeneration ; canopy ; debt ; deer ; forest management ; forests ; trees ; viability ; Maine ; Virginia
    Sprache Englisch
    Erscheinungsverlauf 2023-06
    Erscheinungsort John Wiley & Sons, Inc.
    Dokumenttyp Artikel ; Online
    Anmerkung JOURNAL ARTICLE
    ZDB-ID 1074505-1
    ISSN 1939-5582 ; 1051-0761
    ISSN (online) 1939-5582
    ISSN 1051-0761
    DOI 10.1002/eap.2837
    Datenquelle NAL Katalog (AGRICOLA)

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  2. Artikel ; Online: Client Perceptions of Helpfulness in Therapy: a Novel Video-Rating Methodology for Examining Process Variables at Brief Intervals During a Single Session.

    Cocklin, Alexandra A / Mansell, Warren / Emsley, Richard / McEvoy, Phil / Preston, Chloe / Comiskey, Jody / Tai, Sara

    Behavioural and cognitive psychotherapy

    2017  Band 45, Heft 6, Seite(n) 647–660

    Abstract: Background: The value of clients' reports of their experiences in therapy is widely recognized, yet quantitative methodology has rarely been used to measure clients' self-reported perceptions of what is helpful over a single session.: Aims: A video- ... ...

    Abstract Background: The value of clients' reports of their experiences in therapy is widely recognized, yet quantitative methodology has rarely been used to measure clients' self-reported perceptions of what is helpful over a single session.
    Aims: A video-rating method using was developed to gather data at brief intervals using process measures of client perceived experience and standardized measures of working alliance (Session Rating Scale; SRS). Data were collected over the course of a single video-recorded session of cognitive therapy (Method of Levels Therapy; Carey, 2006; Mansell et al., 2012). We examined the acceptability and feasibility of the methodology and tested the concurrent validity of the measure by utilizing theory-led constructs.
    Method: Eighteen therapy sessions were video-recorded and clients each rated a 20-minute session of therapy at two-minute intervals using repeated measures. A multi-level analysis was used to test for correlations between perceived levels of helpfulness and client process variables.
    Results: The design proved to be feasible. Concurrent validity was borne out through high correlations between constructs. A multi-level regression examined the independent contributions of client process variables to client perceived helpfulness. Client perceived control (b = 0.39, 95% CI .05 to 0.73), the ability to talk freely (b = 0.30, SE = 0.11, 95% CI .09 to 0.51) and therapist approach (b = 0.31, SE = 0.14, 95% CI .04 to 0.57) predicted client-rated helpfulness.
    Conclusions: We identify a feasible and acceptable method for studying continuous measures of helpfulness and their psychological correlates during a single therapy session.
    Mesh-Begriff(e) Adult ; Aged ; Cognitive Therapy/manpower ; Cognitive Therapy/standards ; Female ; Humans ; Male ; Middle Aged ; Patient Satisfaction ; Professional-Patient Relations ; Reproducibility of Results ; Self Report ; Video Recording/methods
    Sprache Englisch
    Erscheinungsdatum 2017-11
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 1168441-0
    ISSN 1469-1833 ; 1352-4658 ; 0141-3473
    ISSN (online) 1469-1833
    ISSN 1352-4658 ; 0141-3473
    DOI 10.1017/S1352465817000273
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Prospective cohort feasibility study of a transdiagnostic group intervention for common mental health problems: The Take Control Course.

    Morris, Lydia / Mansell, Warren / Emsley, Richard / Bates, Rachel / Comiskey, Jody / Pistorius, Emma / McEvoy, Phil

    Psychology and psychotherapy

    2016  Band 89, Heft 2, Seite(n) 163–180

    Abstract: Objectives: While transdiagnostic psychological treatments appear to be promising, they require greater empirical support. Further, a number of available transdiagnostic treatments are targeted at clients with a specific category of disorder, such as ... ...

    Abstract Objectives: While transdiagnostic psychological treatments appear to be promising, they require greater empirical support. Further, a number of available transdiagnostic treatments are targeted at clients with a specific category of disorder, such as clients with anxiety disorders. This study is a preliminary examination of the effectiveness, feasibility, and acceptability of a new transdiagnostic six-session group-based intervention (Take Control Course; TCC) predominantly aimed at clients within primary care. The group is aimed at a broad range of clients; it is derived from an integrative transdiagnostic theory, which specifies mechanisms of psychopathology across disorders. Briefer interventions are gaining an increasing evidence base, and this study seeks to compare the TCC to an established brief intervention within primary care.
    Design: Prospective cohort study comparing two active psychological treatments.
    Methods: Take Control Course group (n = 66) was compared to a non-randomized control group of clients accessing individual low-intensity interventions (n = 43) using random-effect regression models. Primary outcomes were depression and anxiety scores; additional outcomes included social and other functioning.
    Results: For the TCC group, changes on all pre-post outcomes were significant with moderate effect sizes. The between-group differences were not significant.
    Conclusions: Results show potential for TCC to be an effective intervention, but further work is required to validate these findings in a more rigorous, randomized study.
    Practitioner points: Transdiagnostic understandings of psychological distress may inform pragmatic and effective treatments that can be offered to a broad range of clients. This study describes a transdiagnostic intervention (TCC) that targets maintenance processes common across disorders, and presents initial outcome data. The TCC was found to reduce pre-post scores on measures of anxiety and depression.
    Mesh-Begriff(e) Adult ; Anxiety Disorders/therapy ; Depressive Disorder/therapy ; England ; Feasibility Studies ; Female ; Humans ; Logistic Models ; Male ; Mental Health ; Middle Aged ; Prospective Studies ; Psychiatric Status Rating Scales ; Psychotherapy/methods ; Psychotherapy, Group/methods ; Treatment Outcome
    Sprache Englisch
    Erscheinungsdatum 2016-06
    Erscheinungsland England
    Dokumenttyp Controlled Clinical Trial ; Journal Article
    ZDB-ID 2063873-5
    ISSN 2044-8341 ; 1476-0835
    ISSN (online) 2044-8341
    ISSN 1476-0835
    DOI 10.1111/papt.12070
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Buch: Forest biodiversity research, monitoring and modeling

    Dallmeier, Francisco / Comiskey, J. A

    conceptual background and old world case studies

    (Man and the biosphere series ; v. 20)

    1998  

    Verfasserangabe edited by F. Dallmeier and J.A. Comiskey
    Serientitel Man and the biosphere series ; v. 20
    Schlagwörter Biodiversity/Research/Congresses. ; Environmental monitoring/Congresses. ; Forest ecology/Congresses.
    Sprache Englisch
    Umfang xxiii, 671 p. :, ill. (some col.), maps (some col.) ;, 24 cm.
    Verlag UNESCO ; Parthenon Pub. Group
    Erscheinungsort Paris ; New York
    Dokumenttyp Buch
    ISBN 9231034081 ; 1850709637 ; 9789231034084 ; 9781850709633
    Datenquelle NAL Katalog (AGRICOLA)

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  5. Buch: Forest biodiversity in North, Central and South America, and the Caribbean

    Dallmeier, Francisco / Comiskey, J. A

    research and monitoring

    (Man and the biosphere series ; v. 21)

    1998  

    Verfasserangabe edited by F. Dallmeier and J.A. Comiskey
    Serientitel Man and the biosphere series ; v. 21
    Schlagwörter Biodiversity/Research/Congresses. ; Environmental monitoring/Congresses. ; Forest ecology/Congresses.
    Sprache Englisch
    Umfang xxiv, 768 p. :, ill., maps ;, 24 cm.
    Verlag UNESCO ; Parthenon Pub. Group
    Erscheinungsort Paris ; New York
    Dokumenttyp Buch
    Anmerkung "Chapters are based on papers presented at the first international symposium on measuring and monitoring biodiversity, organized by the Smithsonian Institution/MAB Biological Diversity Program in late spring 1995"--Pref.
    ISBN 1850709645 ; 923103409X ; 9781850709640 ; 9789231034091
    Datenquelle NAL Katalog (AGRICOLA)

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  6. Artikel ; Online: Tree population dynamics of three altitudinal vegetation communities on Mount Cameroon (1989-2004)

    Forboseh, P.F. / Sunderland, Terry C.H. / Comiskey, J.A. / Balinga, M.

    Journal of Mountain Science

    2012  

    Abstract: Changes in permanent sample plots in the lowland, submontane and montane forests on Mount Cameroon (4,095 m above sea level), an active volcano, are described for 15 years from 1989 to 2004. Throughout the study period, the stocking level of trees with a ...

    Abstract Changes in permanent sample plots in the lowland, submontane and montane forests on Mount Cameroon (4,095 m above sea level), an active volcano, are described for 15 years from 1989 to 2004. Throughout the study period, the stocking level of trees with a diameter at breast height (DBH) = 10 cm in the three forests were lower than in pan-tropical stands suggesting a significant impact of volcanic and human-related activities on the vegetation communities on the mountain. Annual mortality rates in the submontane and montane forests were consistent with those reported for comparable altitudinal ranges in the Blue Mountains of Jamaica. The annual mortality rate was higher in the lowland forest than other lowland sites included. Divergence between recruitment and mortality rates was large suggesting that the three vegetation communities have not reached their climax. The seven-year difference in half-life of large trees (with a DBH = 50 cm) in the submontane and montane forests suggests an altitudinal effect on turnover of larger trees that in turn contributes to the frequent small stature of high altitude forests. There was little evidence of an altitudinal effect on species turnover and growth rate. This finding supports generalizations about the zero effect of growth on the stature of high altitude trees. Understanding forest dynamics is crucially important in the management of tropical montane environments and in this instance particularly so given the recent creation of the Mount Cameroon National Park.
    Schlagwörter recruitment ; mortality ; growth ; ecology ; canopy ; tropical rain forests
    Sprache Englisch
    Erscheinungsdatum 2012-06-04T09:15:12Z
    Erscheinungsland fr
    Dokumenttyp Artikel ; Online
    Datenquelle BASE - Bielefeld Academic Search Engine (Lebenswissenschaftliche Auswahl)

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  7. Artikel: Monohydroxamic acids and bridging dihydroxamic acids as chelators to ruthenium(III) and as nitric oxide donors: syntheses, speciation studies and nitric oxide releasing investigations.

    Griffith, Darren / Krot, Krystyna / Comiskey, Jedd / Nolan, Kevin B / Marmion, Celine J

    Dalton transactions (Cambridge, England : 2003)

    2008  , Heft 1, Seite(n) 137–147

    Abstract: The synthesis and spectroscopic characterisation of novel mononuclear Ru(III)(edta)(hydroxamato) complexes of general formula [Ru(H2edta)(monoha)] (where monoha = 3- or 4-NH2, 2-, 3- or 4-C1 and 3-Me-phenylhydroxamato), as well as the first example of a ... ...

    Abstract The synthesis and spectroscopic characterisation of novel mononuclear Ru(III)(edta)(hydroxamato) complexes of general formula [Ru(H2edta)(monoha)] (where monoha = 3- or 4-NH2, 2-, 3- or 4-C1 and 3-Me-phenylhydroxamato), as well as the first example of a Ru(III)-N-aryl aromatic hydroxamate, [Ru(H2edta)(N-Me-bha)].H2O (N-Me-bha = N-methylbenzohydroxamato) are reported. Three dinuclear Ru(III) complexes with bridging dihydroxamato ligands of general formula [{Ru(H2edta)}2(mu-diha)] where diha = 2,6-pyridinedihydroxamato and 1,3- or 1,4-benzodihydroxamato, the first of their kind with Ru(III), are also described. The speciation of all of these systems (with the exception of the Ru-1,4-benzodihydroxamic acid and Ru-N-methylbenzohydroxamic systems) in aqueous solution was investigated. We previously proposed that nitrosyl abstraction from hydroxamic acids by Ru(III) involves initial formation of Ru(III)-hydroxamates. Yet, until now, no data on the rate of nitric oxide (NO) release from hydroxamic acids has been published. We now describe a UV-VIS spectroscopic study, where we monitored the decrease in the ligand-to-metal charge-transfer band of a series of Ru(III)-monohydroxamates with time, with a view to gaining an insight into the NO-releasing properties of hydroxamic acids.
    Mesh-Begriff(e) Bridged-Ring Compounds/chemical synthesis ; Bridged-Ring Compounds/chemistry ; Hydroxamic Acids/chemistry ; Molecular Structure ; Nitric Oxide/chemistry ; Organometallic Compounds/chemical synthesis ; Organometallic Compounds/chemistry ; Ruthenium/chemistry ; Spectrophotometry, Ultraviolet
    Chemische Substanzen Bridged-Ring Compounds ; Hydroxamic Acids ; Organometallic Compounds ; Nitric Oxide (31C4KY9ESH) ; Ruthenium (7UI0TKC3U5)
    Sprache Englisch
    Erscheinungsdatum 2008-03-11
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1472887-4
    ISSN 1364-5447 ; 1477-9234 ; 1477-9226 ; 0300-9246
    ISSN (online) 1364-5447 ; 1477-9234
    ISSN 1477-9226 ; 0300-9246
    DOI 10.1039/b711863e
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel ; Online: Floristic evidence for alternative biome states in tropical Africa.

    Aleman, J C / Fayolle, A / Favier, C / Staver, A C / Dexter, K G / Ryan, C M / Azihou, A F / Bauman, D / Te Beest, M / Chidumayo, E N / Comiskey, J A / Cromsigt, J P G M / Dessard, H / Doucet, J-L / Finckh, M / Gillet, J-F / Gourlet-Fleury, S / Hempson, G P / Holdo, R M /
    Kirunda, B / Kouame, F N / Mahy, G / Gonçalves, F Maiato P / McNicol, I / Quintano, P Nieto / Plumptre, A J / Pritchard, R C / Revermann, R / Schmitt, C B / Swemmer, A M / Talila, H / Woollen, E / Swaine, M D

    Proceedings of the National Academy of Sciences of the United States of America

    2020  Band 117, Heft 45, Seite(n) 28183–28190

    Abstract: The idea that tropical forest and savanna are alternative states is crucial to how we manage these biomes and predict their future under global change. Large-scale empirical evidence for alternative stable states is limited, however, and comes mostly ... ...

    Abstract The idea that tropical forest and savanna are alternative states is crucial to how we manage these biomes and predict their future under global change. Large-scale empirical evidence for alternative stable states is limited, however, and comes mostly from the multimodal distribution of structural aspects of vegetation. These approaches have been criticized, as structure alone cannot separate out wetter savannas from drier forests for example, and there are also technical challenges to mapping vegetation structure in unbiased ways. Here, we develop an alternative approach to delimit the climatic envelope of the two biomes in Africa using tree species lists gathered for a large number of forest and savanna sites distributed across the continent. Our analyses confirm extensive climatic overlap of forest and savanna, supporting the alternative stable states hypothesis for Africa, and this result is corroborated by paleoecological evidence. Further, we find the two biomes to have highly divergent tree species compositions and to represent alternative compositional states. This allowed us to classify tree species as forest vs. savanna specialists, with some generalist species that span both biomes. In conjunction with georeferenced herbarium records, we mapped the forest and savanna distributions across Africa and quantified their environmental limits, which are primarily related to precipitation and seasonality, with a secondary contribution of fire. These results are important for the ongoing efforts to restore African ecosystems, which depend on accurate biome maps to set appropriate targets for the restored states but also provide empirical evidence for broad-scale bistability.
    Mesh-Begriff(e) Africa ; Climate ; Ecosystem ; Fires ; Forests ; Grassland ; Rain ; Seasons ; Trees ; Tropical Climate
    Sprache Englisch
    Erscheinungsdatum 2020-10-27
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2011515117
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  9. Artikel: Small vectors for expression based on dominant drug resistance with direct multicopy selection.

    Higgins, D R / Busser, K / Comiskey, J / Whittier, P S / Purcell, T J / Hoeffler, J P

    Methods in molecular biology (Clifton, N.J.)

    1998  Band 103, Seite(n) 41–53

    Mesh-Begriff(e) Cloning, Molecular/methods ; Culture Media ; Drug Resistance, Microbial/genetics ; Electroporation/methods ; Escherichia coli/genetics ; Genetic Vectors ; Indicators and Reagents ; Pichia/genetics ; Pichia/growth & development ; R Factors ; Restriction Mapping ; Transformation, Genetic
    Chemische Substanzen Culture Media ; Indicators and Reagents
    Sprache Englisch
    Erscheinungsdatum 1998
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ISSN 1064-3745
    ISSN 1064-3745
    DOI 10.1385/0-89603-421-6:41
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  10. Buch: Takamanda

    Comiskey, J. A / Sunderland, Terry C. H / Sunderland-Groves, Jacqueline L

    the biodiversity of an African rainforest

    (SI/MAB series ; #8)

    2003  

    Körperschaft National Museum of Natural History (U.S.). / Monitoring & Assessment of Biodiversity Program
    Verfasserangabe edited by James A. Comiskey, Terry C.H. Sunderland, Jacqueline L. Sunderland-Groves
    Serientitel SI/MAB series ; #8
    Schlagwörter Biodiversity ; Rain forest ecology ; Natural history
    Sprache Englisch
    Umfang vii, 182 p., [8] p. of plates :, ill. (some col.), maps (some col.) ;, 28 cm.
    Verlag Smithsonian Institution, National Zoological Park, Conservation and Research Center, SI/MAB Biodiversity Program
    Erscheinungsort Washington, DC
    Dokumenttyp Buch
    ISBN 1893912124 ; 9781893912120
    Datenquelle NAL Katalog (AGRICOLA)

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