Understanding the Spatial Distribution of Forest Fires in a Growing Urban Region: Socioeconomic Indicators Tell You More

The present study analyzes the spatial distribution of 881 forest fires recorded during four recent years (2009-2012) in 59 municipalities of a Mediterranean region (Attica, Greece) characterized by high fire risk and relevant human pressure due to uneven urban expansion. The hypothesis that a defined fire profile (in terms of density, severity and land-use selectivity) on a local scale was associated to a specific set of socioeconomic and territorial variables, was tested explicitly using six fires’ indicators and eight contextual indicators under a multivariate analysis framework. Analysis identified two main dimensions for both forest fires (dimension and selectivity) and the socioeconomic context (demographic variables associated to the urban-rural gradient and average income). Fire density and forest/pastures burnt areas did not correlated to any socioeconomic variable. At the same time, average declared income and elevation of each municipality did not correlated to any fires’ variable. To the contrary, the average fire size, the percentage of burnt area per municipality and the proportion of cropland affected by fires correlated positively with the distance from the inner city and the total surface area of each municipality and negatively with the proportion of compact settlements, population density and growth. These results confirm the importance of the urban-rural divide determining the spatial distribution of forest fires in Attica while pointing out the modest influence of variables such as the socioeconomic status of resident population

In-between forest expansion and cropland decline: A revised USLE model for soil erosion risk under land-use change in a Mediterranean region

The present study illustrates an original approach for the long-term assessment of soil erosion risk under land-use changes in a Mediterranean region (Matera, southern Italy). The study has been focused on the implementation of a modified Universal Soil Loss Equation (USLE) model at three time points (1960, 1990, 2010) with the objective to evaluate the contribution of each component to model's performance and model outcomes’ reliability. A modified USLE model was proposed for the assessment of soil erosion risk, based on the simplification of model's parameters and the use of high spatial resolution datasets. Spatio-temporal variability in the model's outcomes was analyzed for basic land-use classes. Our approach has improved model's flexibility with the use of high spatial resolution layers, producing reliable long-term estimates of soil loss for the study area

How future surgery will benefit from SARS-COV-2-related measures: a SPIGC survey conveying the perspective of Italian surgeons

COVID-19 negatively affected surgical activity, but the potential benefits resulting from adopted measures remain unclear. The aim of this study was to evaluate the change in surgical activity and potential benefit from COVID-19 measures in perspective of Italian surgeons on behalf of SPIGC. A nationwide online survey on surgical practice before, during, and after COVID-19 pandemic was conducted in March-April 2022 (NCT:05323851). Effects of COVID-19 hospital-related measures on surgical patients' management and personal professional development across surgical specialties were explored. Data on demographics, pre-operative/peri-operative/post-operative management, and professional development were collected. Outcomes were matched with the corresponding volume. Four hundred and seventy-three respondents were included in final analysis across 14 surgical specialties. Since SARS-CoV-2 pandemic, application of telematic consultations (4.1% vs. 21.6%; p < 0.0001) and diagnostic evaluations (16.4% vs. 42.2%; p < 0.0001) increased. Elective surgical activities significantly reduced and surgeons opted more frequently for conservative management with a possible indication for elective (26.3% vs. 35.7%; p < 0.0001) or urgent (20.4% vs. 38.5%; p < 0.0001) surgery. All new COVID-related measures are perceived to be maintained in the future. Surgeons' personal education online increased from 12.6% (pre-COVID) to 86.6% (post-COVID; p < 0.0001). Online educational activities are considered a beneficial effect from COVID pandemic (56.4%). COVID-19 had a great impact on surgical specialties, with significant reduction of operation volume. However, some forced changes turned out to be benefits. Isolation measures pushed the use of telemedicine and telemetric devices for outpatient practice and favored communication for educational purposes and surgeon-patient/family communication. From the Italian surgeons' perspective, COVID-related measures will continue to influence future surgical clinical practice

Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study

Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection. Methods: This international, multicentre, cohort study at 235 hospitals in 24 countries included all patients undergoing surgery who had SARS-CoV-2 infection confirmed within 7 days before or 30 days after surgery. The primary outcome measure was 30-day postoperative mortality and was assessed in all enrolled patients. The main secondary outcome measure was pulmonary complications, defined as pneumonia, acute respiratory distress syndrome, or unexpected postoperative ventilation. Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28–2·40], p\textless0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65–3·22], p\textless0·0001), American Society of Anesthesiologists grades 3–5 versus grades 1–2 (2·35 [1·57–3·53], p\textless0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01–2·39], p=0·046), emergency versus elective surgery (1·67 [1·06–2·63], p=0·026), and major versus minor surgery (1·52 [1·01–2·31], p=0·047). Interpretation: Postoperative pulmonary complications occur in half of patients with perioperative SARS-CoV-2 infection and are associated with high mortality. Thresholds for surgery during the COVID-19 pandemic should be higher than during normal practice, particularly in men aged 70 years and older. Consideration should be given for postponing non-urgent procedures and promoting non-operative treatment to delay or avoid the need for surgery. Funding: National Institute for Health Research (NIHR), Association of Coloproctology of Great Britain and Ireland, Bowel and Cancer Research, Bowel Disease Research Foundation, Association of Upper Gastrointestinal Surgeons, British Association of Surgical Oncology, British Gynaecological Cancer Society, European Society of Coloproctology, NIHR Academy, Sarcoma UK, Vascular Society for Great Britain and Ireland, and Yorkshire Cancer Research

Reforestation and combating desertification in Italy: an issue of great interest and relevance

Reforestation projects to combat desertification require specific and updated knowledge to better identify and define the best and most efficient intervention plans. This book presents a comprehensive reference of all issues relating to afforestation measures to combat desertification in Italy

Profiling Agro-Forest Landscape Types at the Wildland-Urban Interface: An Exploratory Analysis

A diachronic investigation of land cover changes (1990-2000) in a Mediterranean region with high human pressure (Attica, Greece) was developed in the present study with the aim to profile different agro-forest types and their evolution over time. Changes in the distribution of 31 land cover classes and their spatial relationships were assessed using multivariate analysis. Our results highlight the shift from a spatially-heterogeneous and diversified agro-forest landscape towards a land-use structure polarized in medium- and low-quality areas with homogeneous (natural or urban) uses of land. These transformations may impact negatively the environmental functions and determine ecological fragility on a local scale. Agro-forest landscapes around cities require permanent monitoring and dedicated conservation measures counterbalancing the increased human pressure

Do land cover changes shape sensitivity to forest fires in peri-urban areas?

The present study assesses the spatial distribution of selected land cover classes at two years (1975 and2000) in a Mediterranean urban area (Athens, Greece) to test the hypothesis that land cover changesdetermine an increase in the sensitivity of landscape to forest fires on a regional scale. While urbanand agricultural areas increased, although with different rates of growth, forests and semi-natural areasdecreased in the study area. These changes are reflected in a significant increase of vegetation sensitivityto forest fires measured by the forest fire risk (FR) index developed in the framework of MEDALUS project.The cover classes which contributed the most to the increase of the FR index were crop mosaic, mixedagricultural-natural areas and discontinuous, low-density settlements. Results of the present study indi-cate that the transformation of the fringe landscape towards low-quality agricultural and pasture areasand fragmented forest patches is potentially detrimental for environmental quality and the ecologicalfragility of land

The main issues associated with Mediterranean desertification: deforestation

In many parts of Mediterranean Europe there has been rapid change in land use, particularly during the last 40 years. Changes in technology have, especially in Spain, allowed an increase in intensive irrigated agriculture. Entry into the European Union has also brought entry to common agricultural policies, subsidies and changes to the types of crops produced.These are the principal issues which have been associated with desertification by the Focal Points of Portugal, Spain, Italy and Greece, and by local stakeholders in the Alentejo, Guadalentín basin, Agri basin and the island of Lesvos. Land abandonment Increase in intensive irrigated farming Overgrazing Deforestation Littoralisation (concentration of economic and social activity in coastal areas) Inappropriate dry farming agricultural practices on marginally productive land Changes in the economic activity in desertification-affected areas Degradation of the physical environment (including soil erosion, salinisation, fire) Changes in the availability of water resources Changes in the social structure Institutional organisation to combat desertificatio