scholarly journals Reptile diversity in a Mediterranean wetlands landscape (Alto Guadalquivir region, southeastern Spain): are they affected by human impacts?

2021 ◽  
Vol 16 (1) ◽  
pp. 27-36
Author(s):  
Arancha De Castro-Expósito ◽  
Enrique García-Muñoz ◽  
Francisco Guerrero

This study was carried out to evaluate the diversity in reptile communities in wetland landscapes located in the Mediterranean region. For this, the status of the reptile populations linked to different Mediterranean wetlands in relation to the different types of land use established in the nearby drainage basins (500 m around the wetlands perimeter) was determined. The different types of land use were determined together with the presence/absence, abundance and size class of the different reptile species. The results showed that areas with high anthropic pressure had a lower diversity of species, as well as a less balanced community structure, that could put at risk the effective recruitment and hence the maintenance of the reptile populations in these areas. The reasons behind the decline in the reptile community are similar to those put forward for explaining the decline in amphibians in the same area.

Author(s):  
Álvaro Andrade Dourado ◽  
José Falcão Sobrinho ◽  
Francisca Edineide Lima Barbosa ◽  
Francisca Edineide Lima Barbosa

Because of the importance of preserving natural resources, especially drainage basins, it is essential to identify and manage the different types of natural landscapes found in these units, allowing the ecological balance of these regions. The application of geoprocessing techniques helps environmental agencies to make decisions, map and monitor the local conditions. The research proposes an examination of the Pacoti Drainage Basin, especially on its hinterland surface. The following cartographic databases were raised: Multimodal map of the state of Ceará scale 1:900,000, 2013, DENIT; Map of Geoenvironmental Subdivision Macroregion of Planning, scale 1:6,000,000, [5]; Simplified Geological Map of Ceará, scale 1:600,000 2015; Map of Phytoecological Units of Ceará, scale 1:600,000, FUNCEME, 2007; Weather Map of Ceará, scale 1:600,000. The mapped physiographic characteristics are the climate, geology, geomorphology, soil, vegetation, land use and occupation, and conservation units. Therefore, geo-technology has become a decisive factor in the identification and analysis of the local physiographic characteristics.


Water ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 707
Author(s):  
Patrícia Palma ◽  
Alexandra Marchã Penha ◽  
Maria Helena Novais ◽  
Sofia Fialho ◽  
Ana Lima ◽  
...  

Nowadays, the Mediterranean freshwater systems face the threat of water scarcity, along with multiple other stressors (e.g., organic and inorganic contamination, geomorphological alterations, invasive species), leading to the impairment of their ecosystem services. All these stressors have been speeding up, due to climate variability and land cover/ land use changes, turning them into a big challenge for the water management plans. The present study analyses the physicochemical and phytoplankton biomass (chlorophyll-a) dynamics of a large reservoir, in the Mediterranean region (Alqueva reservoir, Southern Portugal), under diverse meteorological conditions and land cover/land use real scenarios (2017 and 2018). The most important stressors were identified and the necessary tools and information for a more effective management plan were provided. Changes in these parameters were further related to the observed variations in the meteorological conditions and in the land cover/land use. The increase in nutrients and ions in the water column, and of potentially toxic metals in the sediment, were more obvious in periods of severe drought. Further, the enhancement of nutrients concentrations, potentially caused by the intensification of agricultural activities, may indicate an increased risk of water eutrophication. The results highlight that a holistic approach is essential for a better water resources management strategy.


2018 ◽  
Vol 147 ◽  
pp. 1065-1072 ◽  
Author(s):  
Long-Ji Zhu ◽  
Yue Zhao ◽  
Yan-Ni Chen ◽  
Hong-Yang Cui ◽  
Yu-Quan Wei ◽  
...  

2018 ◽  
Vol 12 (3) ◽  
pp. 56 ◽  
Author(s):  
Hussam N. Fakhouri ◽  
Saleh H. Al-Sharaeh

Recent year’s witnessed a huge revolution for developing an automated diagnosis for different disease such as cancer using medical image processing. Many researches have been dedicated to achieve this goal. Analyzing medical microscopic histology images provide us with large information about the status of patient and the progress of diseases, help to determine if the tissue have any pathological changes. Automation of the diagnosis of these images will lead to better, faster and enhanced diagnosis for different hematological and histological tissue images such as cancer. This paper propose an automated methodology for analyzing cancer histology and hematology microscopic images to detect leukemia using image processing by combining two diagnosis procedures initial and advance; the initial diagnosis depend on the percentage of the white blood cells in microscopic images affected by leukemia as indicator for the existence of leukemia in the blood smear sample. Whereas, the advance diagnosis classifying the leukemia according into different types using feature bag classifier. The experimental results showed that the proposed methodology initial diagnosis is able to detect leukemia images and differentiate it from samples that do not have leukemia. While, advance diagnosis it is able to detect and classify most leukemia types and differentiate between acute and chronic, but in some cases in the chronic leukemia where the percent of blast cells and shape are similar; it gave a diagnosis of the type of leukemia to the most similar type.


2021 ◽  
Vol 8 (3) ◽  
pp. 1285-1298
Author(s):  
Diana Anggraeni ◽  
Herland Franley Manalu ◽  
Desty Anggraini

Humans have gone through many incidents, both good and bad experiences, and sometimes these experiences are shared with others in the form of stories. The stories, as one of the forms of literary works, would be nothing without the created characters within them because they provide the viewers with a purpose and a reason for us to learn about what happens in the story. Besides, they act as one important element in the movie with various psychological effects. This research aims to analyze the characteristics and the hierarchy of human needs, especially esteem needs, that appear in the main character named Will Traynor in the ‘Me Before You’ movie directed by Thea Sharrock. This study uses descriptive data analysis which describes a phenomenon and the main character in the movie. The results revealed seven characters comprising the esteem needs hierarchy: sensitive, open-minded, friendly, kind, confident, humble, and stubborn. The esteem needs hierarchy is the desire to have the need to be approved, valued, and recognized to have some self-esteem. This is striking in the movie because of the status of the character, Will Traynor as a lord, and Louisa Clark who is only a maid and has no superiority over Will in her life. The findings imply the personality of humans differ in their characters and psychology as shown from the esteem needs hierarchy in Will’s personality expressing the different types of characteristics.


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