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  1. Article ; Online: Effects of a short-term temperature increase on arthropod communities associated with pastures

    Wallon, Sophie / Tsafack, Noelline / Pozsgai, Gabor / Melo, Catarina / Borges, Paulo A. V. / Elias, Rui

    Biodiversity Data Journal. 2023 Oct. 05, v. 11 p.e107385-

    2023  

    Abstract: The impact of climate change on islands is expected to cause dramatic consequences on native biodiversity. However, limited data are available for arthropod communities in island agroecosystems. In this study, we simulate a small-scale climatic change ( ... ...

    Abstract The impact of climate change on islands is expected to cause dramatic consequences on native biodiversity. However, limited data are available for arthropod communities in island agroecosystems. In this study, we simulate a small-scale climatic change (average of +1.2°C), using Open Top Chambers (OTCs) in forage crops in the Azores Archipelago (Portugal) and test the responses of arthropod communities associated with intensively-managed pastures. At three sites, twenty 1 x 1 m plots were established: 10 treatment plots with OTCs and 10 control plots. Arthropods were sampled with pitfall traps on two sampling events (winter and summer of 2020). When considering all species collected, arthropods' abundance was lower in OTCs. Specific taxa, namely spiders and beetles, showed a fast response to the OTCs' presence. The assemblage of non-indigenous spiders well adapted to pastures showed a significant difference in diversity with a slightly greater richness, but lower abundance inside the warmer plots. However, the presence of OTCs resulted in a decrease in beetle richness and abundance. This decline may be attributed to the multiple effects of warming. Therefore, it is imperative to conduct further investigations to elucidate the ecological processes that underlie the observed patterns.
    Keywords Coleoptera ; agroecosystems ; arthropods ; biodiversity ; climate change ; forage ; summer ; temperature ; winter ; Azores ; Portugal ; invertebrates ; grasses ; islands ; species diversity
    Language English
    Dates of publication 2023-1005
    Publishing place Pensoft Publishers
    Document type Article ; Online
    ZDB-ID 2736709-5
    ISSN 1314-2828
    ISSN 1314-2828
    DOI 10.3897/BDJ.11.e107385
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: Assessing the effects of climate change on arthropod abundance in Azorean pastures: PASTURCLIM project's baseline monitoring data

    Wallon, Sophie / Melo, Catarina / Tsafack, Noelline / Elias, Rui B. / Borges, Paulo A.V.

    Biodiversity Data Journal. 2023 Apr. 28, v. 11 p.e103723-

    2023  

    Abstract: The data we present are part of the project PASTURCLIM (Impact of climate change on pasture’s productivity and nutritional composition in the Azores). The project aims to assess the consequences of climate change (e.g. temperature increase) on the grass ... ...

    Abstract The data we present are part of the project PASTURCLIM (Impact of climate change on pasture’s productivity and nutritional composition in the Azores). The project aims to assess the consequences of climate change (e.g. temperature increase) on the grass production and its quality for forage, as well as to assess changes in the arthropod communities associated with the Azorean intensive pastures. An in situ experiment was set up using Open Top Chambers (OTCs), in order to simulate an increasing of temperature (average of +1.2ºC) on pastures. In this contribution, we present the data relative to the arthropod sampling. We provide an inventory of all arthropods recorded inside OTCs and in control plots in three intensively managed pastures dominated by grasses in Terceira Island (Azores): two of them dominated by ryegrass, Loliummultiflorum Lam. (Poaceae), located respectively at 186 m and 301 m above sea level; and one field dominated by common velvetgrass, Holcuslanatus L. (Poaceae), located at an altitude of 385 m. A total of 41351 specimens were collected. Organisms collected belong to four classes, 15 orders, 60 families and 171 species/morphospecies (including 34 taxa identified only at order, family or genus level). Therefore, for only 137 taxa, we have a scientific name associated (n = 38918). A total of 75% of the species (n = 129 species) are considered introduced (including all the species with indeterminate colonisation status that are possibly also exotic species (n = 7622)), representing 71% of the total abundance (n = 29664 specimens). A total of 19% of the species (n = 33 species) are considered native non-endemic representing 28% of the total abundance (n = 11608 specimens). Only one endemic species was sampled, the wolf spider Pardosaacorensis Simon, 1883 (1% of the species), representing 0.2% of the total abundance (n = 79 specimens). Spiders (5056 specimens) and beetles (18310 specimens) were the dominant taxa representing, respectively, 20 and 78 morphospecies. Since the main aim of this study was to have a better knowledge on arthropod communities present in Azorean pastures under a simulated temperature increase, the principal novelty of this paper is the contribution with distribution and abundance data to a baseline knowledge on the future consequences of climate changes on arthropod communities in Azorean pastures.
    Keywords Holcus lanatus ; Lolium ; Lycosidae ; altitude ; arthropods ; biodiversity ; climate ; climate change ; forage ; grasses ; indigenous species ; introduced species ; inventories ; morphospecies ; nutrient content ; pastures ; temperature ; Azores ; Open Top Chamber ; pasture ; pitfall traps.
    Language English
    Dates of publication 2023-0428
    Publishing place Pensoft Publishers
    Document type Article ; Online
    ZDB-ID 2736709-5
    ISSN 1314-2828
    ISSN 1314-2828
    DOI 10.3897/BDJ.11.e103723
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Assessing the effects of climate change on arthropod abundance in Azorean pastures: PASTURCLIM project's baseline monitoring data.

    Wallon, Sophie / Melo, Catarina / Tsafack, Noelline / Elias, Rui B / Borges, Paulo A V

    Biodiversity data journal

    2023  Volume 11, Page(s) e103723

    Abstract: Background: The data we present are part of the project PASTURCLIM (Impact of climate change on pasture's productivity and nutritional composition in the Azores). The project aims to assess the consequences of climate change (e.g. temperature increase) ... ...

    Abstract Background: The data we present are part of the project PASTURCLIM (Impact of climate change on pasture's productivity and nutritional composition in the Azores). The project aims to assess the consequences of climate change (e.g. temperature increase) on the grass production and its quality for forage, as well as to assess changes in the arthropod communities associated with the Azorean intensive pastures. An
    New information: We provide an inventory of all arthropods recorded inside OTCs and in control plots in three intensively managed pastures dominated by grasses in Terceira Island (Azores): two of them dominated by ryegrass,
    Language English
    Publishing date 2023-04-28
    Publishing country Bulgaria
    Document type Journal Article
    ZDB-ID 2736709-5
    ISSN 1314-2828
    ISSN 1314-2828
    DOI 10.3897/BDJ.11.e103723
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Effects of a short-term temperature increase on arthropod communities associated with pastures.

    Wallon, Sophie / Tsafack, Noelline / Pozsgai, Gabor / Melo, Catarina / Borges, Paulo A V / Elias, Rui

    Biodiversity data journal

    2023  Volume 11, Page(s) e107385

    Abstract: The impact of climate change on islands is expected to cause dramatic consequences on native biodiversity. However, limited data are available for arthropod communities in island agroecosystems. In this study, we simulate a small-scale climatic change ( ... ...

    Abstract The impact of climate change on islands is expected to cause dramatic consequences on native biodiversity. However, limited data are available for arthropod communities in island agroecosystems. In this study, we simulate a small-scale climatic change (average of +1.2°C), using Open Top Chambers (OTCs) in forage crops in the Azores Archipelago (Portugal) and test the responses of arthropod communities associated with intensively-managed pastures. At three sites, twenty 1 x 1 m plots were established: 10 treatment plots with OTCs and 10 control plots. Arthropods were sampled with pitfall traps on two sampling events (winter and summer of 2020). When considering all species collected, arthropods' abundance was lower in OTCs. Specific taxa, namely spiders and beetles, showed a fast response to the OTCs' presence. The assemblage of non-indigenous spiders well adapted to pastures showed a significant difference in diversity with a slightly greater richness, but lower abundance inside the warmer plots. However, the presence of OTCs resulted in a decrease in beetle richness and abundance. This decline may be attributed to the multiple effects of warming. Therefore, it is imperative to conduct further investigations to elucidate the ecological processes that underlie the observed patterns.
    Language English
    Publishing date 2023-10-05
    Publishing country Bulgaria
    Document type Journal Article
    ZDB-ID 2736709-5
    ISSN 1314-2828
    ISSN 1314-2828
    DOI 10.3897/BDJ.11.e107385
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Surgical treatment of giant gist with acute gastrointestinal bleeding: Case report.

    Melo, Catarina / Canhoto, Carolina / Manata, Fernando / Bernardes, António

    International journal of surgery case reports

    2018  Volume 53, Page(s) 354–357

    Abstract: Introduction: Gastrointestinal stromal tumors represent about 1% of the tumors of digestive tract. Their presentation consists often of indolent symptoms. However, they can present as surgical emergencies in rare cases. This work presents a case of a ... ...

    Abstract Introduction: Gastrointestinal stromal tumors represent about 1% of the tumors of digestive tract. Their presentation consists often of indolent symptoms. However, they can present as surgical emergencies in rare cases. This work presents a case of a giant jejunal GIST that required emergent surgical treatment.
    Case presentation: A 60-year-old male presented with abdominal pain and acute low gastrointestinal bleeding. During observation a palpable mass was detected in the periumbilical region, left hypochondrium and left flank. A non-total colonoscopy was inconclusive. An Angio-CT showed a large exophytic tumor arising from the 4
    Conclusions: This case pretends to review an unusual presentation of a giant jejunal intestinal GISTs as well as its management in an emergent context.
    Language English
    Publishing date 2018-11-16
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2018.11.021
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Surgical treatment of postoperative laparostomy and pyloroduodenostomy-Case report.

    Bernardes, António / Melo, Catarina / Ferraz, Sandra

    International journal of surgery case reports

    2018  Volume 48, Page(s) 131–134

    Abstract: Introduction: Postoperative duodenal-cutaneous fistula represents a rare and very complex problem. In most cases operative management becomes necessary, but only after local and systemic stabilization and sepsis control.: Case presentation: A 39-year- ...

    Abstract Introduction: Postoperative duodenal-cutaneous fistula represents a rare and very complex problem. In most cases operative management becomes necessary, but only after local and systemic stabilization and sepsis control.
    Case presentation: A 39-year-old man was admitted for surgical management of laparostomy and pyloro-duodenostomy of the first (DI) and second (DII) duodenal segments with one year of evolution, as a complication of several surgical interventions. The patient had been previously submitted to surgical interventions in another institution for: 1- lower gastrointestinal haemorrhage: treated with total colectomy; 2- upper gastrointestinal haemorrhage: performed a pyloroduodenotomy and pyloroplasty; 3- evisceration: abdominal wall closure; 4- biliary peritonitis due to pyloroplasty dehiscence: submitted to laparotomy with placement of a gastrostomy tube and pyloroduodenostomy tube; 5- intestinal haemorrhage through the pyloroduodenostomy tube: inconclusive exploratory laparotomy plus laparostomy; 6- gastrointestinal haemorrhage and shock: submitted to jejunal segmental resection (haemorrhagic mucous nodule); 7- several complications related to drainage, fistulae and celiostomy.
    Discussion: After initial medical treatment for local and systemic stabilization during four months, the following surgical procedures were performed: antrectomy; duodenectomy of DI and the suprapapillary part of DII; T-L gastrojejunostomy; duodenojejunostomy (DII and DIII) L-L at 40 cm of the gastrojejunal anastomosis; T-L jejunojejunostomy; abdominoplasty with a mesh and fibrin glue application; primary cutaneous closure. A multitubular drain was positioned near the duodeno-jejunal anastomosis and a suction drain was positioned in the subcutaneous space.
    Conclusion: The patient was discharged at the 60th postoperative day, asymptomatic and with a weight gain of 10 kg.
    Language English
    Publishing date 2018-06-04
    Publishing country Netherlands
    Document type Journal Article
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2018.05.020
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Cervical pessary for the prevention of preterm birth: is it of any use?

    Falcão, Vera / Melo, Catarina / Matias, Alexandra / Montenegro, Nuno

    Journal of perinatal medicine

    2017  Volume 45, Issue 1, Page(s) 21–27

    Abstract: Preterm birth (PTB) represents a heavy burden in modern obstetrics as it is a major cause of perinatal morbidity and mortality. After the introduction of transvaginal sonography (TVS) screening, secondary prevention of PTB has been re-evaluated on the ... ...

    Abstract Preterm birth (PTB) represents a heavy burden in modern obstetrics as it is a major cause of perinatal morbidity and mortality. After the introduction of transvaginal sonography (TVS) screening, secondary prevention of PTB has been re-evaluated on the basis of pre-existing cervical length (CL) and meanwhile the cervical pessary has become an object of increasing interest. This device consists of a silicone cone acting mechanically, that can be easily placed or removed, but whose efficacy is still controversial. Therefore, this study aims to review the most recent evidence regarding its efficacy for prevention of PTB, together with the correct position, the evidence regarding the mechanism of action, the exclusion criteria for pessary placement and the reasons for precocious removal. Overall, it is well tolerated and there are no reports on severe associated side effects. Finally, we discuss published data regarding cervical pessary efficacy. Although results are still conflicting, it seems however to be an effective method for preventing PTB, both in singleton and multiple pregnancies, but further evidence is needed.
    MeSH term(s) Contraindications ; Female ; Humans ; Pessaries/adverse effects ; Pessaries/statistics & numerical data ; Pregnancy ; Pregnancy, Multiple ; Premature Birth/prevention & control ; Treatment Outcome
    Language English
    Publishing date 2017-01-01
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 123512-6
    ISSN 1619-3997 ; 0300-5577 ; 0936-174X
    ISSN (online) 1619-3997
    ISSN 0300-5577 ; 0936-174X
    DOI 10.1515/jpm-2016-0076
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Distribution of arbuscular mycorrhizal fungi (AMF) in Terceira and São Miguel Islands (Azores).

    Melo, Catarina Drumonde / Walker, Christopher / Freitas, Helena / Machado, Artur Câmara / Borges, Paulo A V

    Biodiversity data journal

    2020  Volume 8, Page(s) e49759

    Abstract: Background: The data, presented here, come from samples collected during three research projects which aimed to assess the impact of land-use type on Arbuscular Mycorrhizal Fungi (AMF) diversity and community composition in pastures of Terceira Island ( ... ...

    Abstract Background: The data, presented here, come from samples collected during three research projects which aimed to assess the impact of land-use type on Arbuscular Mycorrhizal Fungi (AMF) diversity and community composition in pastures of Terceira Island (Azores, Macaronesia, Portugal) and also in the native forest of two Azorean Islands (Terceira and São Miguel; Azores, Macaronesia, Portugal). Both projects contributed to improving the knowledge of AMF community structure at both local and regional scales.
    New information: Little is known on the AMF communities from Azores islands and this study reports the first survey in two Azorean Islands (Terceira and São Miguel). A total of 18,733 glomeromycotan spores were classified at the species level from 244 field soil samples collected in three different habitat types - native forests (dominated by
    Language English
    Publishing date 2020-04-01
    Publishing country Bulgaria
    Document type Journal Article
    ZDB-ID 2736709-5
    ISSN 1314-2828
    ISSN 1314-2828
    DOI 10.3897/BDJ.8.e49759
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Influence of Climate Variability and Soil Fertility on the Forage Quality and Productivity in Azorean Pastures

    Melo, Catarina D. / Maduro Dias, Cristiana S. A. M. / Wallon, Sophie / Borba, Alfredo E. S. / Madruga, João / Borges, Paulo A. V. / Ferreira, Maria T. / Elias, Rui B.

    Agriculture (Basel). 2022 Mar. 02, v. 12, no. 3

    2022  

    Abstract: This work aimed to determine and compare the effect of elevation and season on the productivity and the nutritive value of pastures in the Azores (Terceira Island). Forage was collected and analysed for dry matter (DM), crude protein (CP), neutral ... ...

    Abstract This work aimed to determine and compare the effect of elevation and season on the productivity and the nutritive value of pastures in the Azores (Terceira Island). Forage was collected and analysed for dry matter (DM), crude protein (CP), neutral detergent fibre (NDF), acid detergent fibre (ADF), acid detergent lignin (ADL), ether extract (EE), mineral ash (Ash), dry matter digestibility (DMD) and organic matter digestibility (OMD). The net productivity (NP) was higher in the low elevation pasture A (1.80 g m⁻²), lower in pasture B (0.98 g m⁻²) and peaked in the winter in both pastures A (3.57 g m⁻²) and B (2.33 g m⁻²) and during the summer in the high elevation pasture C (2.15 g m⁻²). The soil chemical proprieties varied significantly among the three pastures. The highest soil pH, available P, K, Ca and Mg were recorded in pasture A. Positive correlations were observed between all soil parameters analysed and NP, except for the OM content. The DM, PB and EE changed significantly with elevation, while all nutritive parameters (except CP, EE and Ash) increased significantly along the growth season. Environmental factors influenced the nutritive parameters and productivity, suggesting that climate change might have significant impacts on forage production and quality.
    Keywords acid detergent fiber ; acid insoluble lignin ; agriculture ; altitude ; climate ; climate change ; crude protein ; digestible organic matter ; dry matter digestibility ; forage production ; neutral detergent fiber ; pastures ; soil fertility ; soil pH ; summer ; winter ; Azores
    Language English
    Dates of publication 2022-0302
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2651678-0
    ISSN 2077-0472
    ISSN 2077-0472
    DOI 10.3390/agriculture12030358
    Database NAL-Catalogue (AGRICOLA)

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  10. Article: Carbon Dioxide to Methane Using Ruthenium Nanoparticles: Effect of the Ionic Liquid Media

    Melo, Catarina I / Bogel-Łukasik, Ewa / Branco, Luís C / Nunes da Ponte, Manuel / Rente, Duarte

    ACS sustainable chemistry & engineering. 2019 May 28, v. 7, no. 14

    2019  

    Abstract: Carbon dioxide hydrogenation to methane is efficiently achieved using ruthenium nanoparticles (Ru NPs) prepared and stabilized in task-specific ionic liquids. 1-Octyl-3-methylimidazolim perfluorobutanesulfonate [C8mim][NfO] is the best ionic liquid media ...

    Abstract Carbon dioxide hydrogenation to methane is efficiently achieved using ruthenium nanoparticles (Ru NPs) prepared and stabilized in task-specific ionic liquids. 1-Octyl-3-methylimidazolim perfluorobutanesulfonate [C8mim][NfO] is the best ionic liquid media producing 84% yield of methane at 150 °C. Other fluorinated anions based ionic liquids exhibited a greater influence on the methane production. In parallel, carbon monoxide is selectively produced in a small amount for the ionic liquid media containing trifluoroacetate and mesylate anions. It is known that ionic liquids strongly contribute to higher CO2 solubility as well as the formation and stabilization of Ru NPs. The catalytic system maintains some activity at least after 5 recycling studies and a promissory improvement can be achieved using a further continuous-flow system.
    Keywords anions ; carbon dioxide ; carbon monoxide ; catalytic activity ; hydrogenation ; ionic liquids ; methane ; methane production ; nanoparticles ; ruthenium ; solubility ; sulfonates
    Language English
    Dates of publication 2019-0528
    Size p. 11963-11969.
    Publishing place American Chemical Society
    Document type Article
    ISSN 2168-0485
    DOI 10.1021/acssuschemeng.8b06877
    Database NAL-Catalogue (AGRICOLA)

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