scholarly journals Intelligent Pubescent Oak Forests (Quercus Pubescens Wild.) From Dobroudja Plateau, Romania

2020 ◽  
Vol 2 (2) ◽  
pp. p1
Author(s):  
Lucian Dinca ◽  
Emilia Vechiu
Keyword(s):  
Functional Group ◽  
Forest Type ◽  
Average Diameter ◽  
Ecosystem Functions ◽  
Oak Forests ◽  
Quercus Pubescens ◽  
The North ◽  
North Part ◽  
Stand Conditions ◽  
Continental Climate

Dobrudjea Plateau, located in south-east Romania, is characterized by low altitudes, old rocks, a temperate-continental climate and a silvosteppe and steppe vegetation. Pubescent oak is one of the tree species characteristic for this area. With average dimensions, this tree fulfils numerous ecosystem functions. The concept of “Climate-Smart Forestry – CSF” is recent and was adapted in this article for the pubescent oak characteristic for this area; clear and measurable criterions were also identified and applies for this species in order to identify the smart stands. Smart pubescent oak forests represent 3% of all this specie’s stands and are more common in the north part of Dobrudjea Plateau. They are characterized by advanced ages (61-70 years), 20%-30% compositions and even-aged structures. The forests are located on relatively small distances from forest roads, at altitudes of 100m - 250 m, and on west and east expositions. The present study has showed that smart pubescent oak forests can be established by taking into account 14 site (flora, soil or forest type) and stand conditions (pruning, vitality, average diameter and height, functional group and category, litter). The identification of these stands is extremely important for their protection as well as for applying the appropriate silvicultural measures.

scholarly journals Biogeography of acoustic biodiversity of NW Mediterranean coralligenous reefs

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Lucia Di Iorio ◽  
Manon Audax ◽  
Julie Deter ◽  
Florian Holon ◽  
Julie Lossent ◽  
...  
Keyword(s):  
Large Scale ◽  
Spatial Scales ◽  
Western Mediterranean ◽  
Ecosystem Functions ◽  
Marine Biodiversity ◽  
Predator Species ◽  
The North ◽  
Mediterranean Habitats ◽  
Geographical Regions ◽  
Nw Mediterranean

AbstractMonitoring the biodiversity of key habitats and understanding the drivers across spatial scales is essential for preserving ecosystem functions and associated services. Coralligenous reefs are threatened marine biodiversity hotspots that are challenging to monitor. As fish sounds reflect biodiversity in other habitats, we unveiled the biogeography of coralligenous reef sounds across the north-western Mediterranean using data from 27 sites covering 2000 km and 3 regions over a 3-year period. We assessed how acoustic biodiversity is related to habitat parameters and environmental status. We identified 28 putative fish sound types, which is up to four times as many as recorded in other Mediterranean habitats. 40% of these sounds are not found in other coastal habitats, thus strongly related to coralligenous reefs. Acoustic diversity differed between geographical regions. Ubiquitous sound types were identified, including sounds from top-predator species and others that were more specifically related to the presence of ecosystem engineers (red coral, gorgonians), which are key players in maintaining habitat function. The main determinants of acoustic community composition were depth and percentage coverage of coralligenous outcrops, suggesting that fish-related acoustic communities exhibit bathymetric stratification and are related to benthic reef assemblages. Multivariate analysis also revealed that acoustic communities can reflect different environmental states. This study presents the first large-scale map of acoustic fish biodiversity providing insights into the ichthyofauna that is otherwise difficult to assess because of reduced diving times. It also highlights the potential of passive acoustics in providing new aspects of the correlates of biogeographical patterns of this emblematic habitat relevant for monitoring and conservation.

Oscillations of the Black Sea sea level in the north part of the coast

1999 ◽  
Vol 10 (2) ◽  
pp. 123-130
Author(s):  
Yu. I. Goryachkin ◽  
V. A. Ivanov ◽  
Yu. A. Stepanyants
Keyword(s):  
Sea Level ◽  
Black Sea ◽  
The Black Sea ◽  
The North ◽  
North Part

Linking functional group richness and ecosystem functions of dung beetles: an experimental quantification

Oecologia ◽  
2016 ◽  
Vol 183 (1) ◽  
pp. 177-190 ◽  
Author(s):  
Tanja Milotić ◽  
Stijn Quidé ◽  
Thomas Van Loo ◽  
Maurice Hoffmann
Keyword(s):  
Functional Group ◽  
Dung Beetles ◽  
Ecosystem Functions

scholarly journals Recognition in international law: The case of Kosovo and Metohija

2015 ◽  
pp. 289-306
Author(s):  
Tijana Surlan
Keyword(s):  
International Law ◽  
Constitutive Theory ◽  
Sovereign State ◽  
Public International Law ◽  
The Public ◽  
The North ◽  
Official Position ◽  
The Status ◽  
North Part ◽  
The Eu

Recognition is an instrument of the public international law founded in the classical international law. Still, it preserves its main characteristics formed in the period when states dominated as the only legal persons in international community. Nevertheless, the instrument of recognition is today as vibrant as ever. As long as it does not have a uniform legal definition and means of application, it leaves room to be applied to very specific cases. In this paper, the instrument of recognition is elaborated from two aspects - theoretical and practical. First (theoretical) part of the paper presents main characteristics of the notion of recognition, as presented in main international law theories - declaratory and constitutive theory. Other part of the paper is focused on the recognition in the case of Kosovo. Within this part, main constitutive elements of state are elaborated, with special attention to Kosovo as self-proclaimed state. Conclusion is that Kosovo does not fulfill main constitutive elements of state. It is not an independent and sovereign state. It is in the status of internationalized entity, with four international missions on the field with competencies in the major fields of state authority - police, judiciary system, prosecution system, army, human rights, etc. Main normative framework for the status of Kosovo is still the UN Resolution 1244. It is also the legal ground for international missions, confirming non-independent status of Kosovo. States that recognized Kosovo despite this deficiency promote the constitutive theory of recognition, while states not recognizing Kosovo promote declaratory theory. Brussels Agreement, signed by representatives of Serbia and Kosovo under the auspices of the EU, has also been elaborated through the notion of recognition - (1) whether it represents recognition; (2) from the perspective of consequences it provokes in relations between Belgrade and Pristina. Official position of Serbian Government is clear - Serbia does not recognize Kosovo as an independent and sovereign state. On the other hand, subject matter of Brussels Agreement creates new means of improvement for Kosovo authorities in the north part of Kosovo. Thus, Serbian position regarding the recognition is twofold - it does not recognize Kosovo in foro externo, and it completes its competences in foro domestico. What has been underlined through the paper and confirmed in the conclusion is that there is not a recognition which has the power to create a state and there is not a non-recognition which has the power to annul a state.

scholarly journals Growth features of different forms of scots pine in the shrub-sphagnum forest type estuary of the Onega River

2020 ◽  
Vol 10 (2) ◽  
pp. 151-169
Author(s):  
Ekaterina A. Pinaevskaya ◽  
Sergey N. Tarkhanov ◽  
Aleksandr S. Pakhov
Keyword(s):  
Scots Pine ◽  
Radial Growth ◽  
Forest Type ◽  
Northern Taiga ◽  
Morphometric Characteristics ◽  
North West ◽  
The North ◽  
Pine Tree ◽  
European Part Of Russia ◽  
Growth Features

Pinus sylvestris L. is the main tree species of forest ecosystems in the European North of Russia, therefore, in-depth studies of the diversity of forms and growth processes of this plant are important. Forms in pine stand out according to morphological and other characteristics. In conditions of prolonged excessive soil moisture, the joint growth of various forms of pine is observed. The aim of the work is to study the growth of various forms of pine according to morphostructural characteristics in the shrub-sphagnum forest type estuary of the Onega River. Investigations of tree growth (according to the form of seed cone scales apophysis and crown habit) were carried out in shrub-sphagnum pine forests of different ages in the north-west of the European part of Russia (northern taiga subzone). Morphometric measurements of the vegetative and generative spheres in the forms of scots pine were made. It is established that the advantage in morphometric characteristics, average values ​​of radial growth, late and early wood has a pine tree with a «convex» apophysis form. The advantage with respect to the morphometric characteristics of the trunk and crown is form with «ordinary» crown habit. The «ordinary» form has larger cones, a larger value of radial growth and macrostructural parameters of wood compared to the «swamp».

scholarly journals State of Heavy Metals Pollution of Flooded Agricultural Land in the North Part of Republic of Srpska

2017 ◽  
Vol 17 (1) ◽  
pp. 19
Author(s):  
Tihomir Predić ◽  
Petra Nikić Nauth ◽  
Bojana Radanović ◽  
Alen Predić
Keyword(s):  
Heavy Metals ◽  
Soil Contamination ◽  
Agricultural Land ◽  
Total Content ◽  
Soil Samples ◽  
Available Phosphorus ◽  
The North ◽  
North Part ◽  
Grid Points ◽  
Phosphorus And Potassium

This paper presents the results of the research of soil contamination in flooded area located at the confluence of Bosna and Sava rivers. The sampling was performed according to a network of points Etrs89 reference European Network based on grid points of 500 m x 500 m. The total number of soil samples was 31 and 13 samples of sediment-mud. In the soil samples and sediment-mud samples various parameters were analyzed: pH H2O and 1 M KCl, humus (method by Tjurin), and the readily available phosphorus and potassium (AL method). The interpretation of total content of heavy metals in the soil was conducted according to Dutch Soil Remediation Circular (2009). The samples were analyzed for the total content of heavy metals: Pb, Cd, Cr, Ni, Zn, Cu (aqua regia digestion, AAS) and the elevated concentrations of Ni. However, Ni content in mud was from 240.5 mg/kg to 294.5 mg/kg, in soil it was from 128.9 mg/kg to 452.1 mg/kg. All mud samples were alkaline, and 79% of soil samples were alkaline and of neutral reaction. The analysis indicated that the flood in May 2014 was not caused by soil contamination with heavy metals, which however contributed to the increase of the overall content of these elements in the soil.

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