Åêîëîãè÷íè âúçäåéñòâèÿ è ïîñëåäñòâèÿ îò
íàâîäíåíèÿ â ðàéîíà íà ð. Ìàðèöà ÷ðåç èçïîëçâàíå íà
ñïúòíèêîâè, GPS è íàçåìíè äàííè çà ïåðèîäà 2005 – 2014 ã.
Í. Ñòàíêîâà, È. Èâàíîâà, Í. Ïàâëîâà, Ð. Íåäêîâ,
Ì. Çàõàðèíîâà 5-14
Åêîëîãè÷åí ìîíèòîðèíã ïðè
âúçñòàíîâÿâàíå íà âëàæíè çîíè â ðàéîíà
íà êàðèåðíè åçåðà
Ê. Ðàäåâà
15-22
II. ÌÈÊÐÎÎÐÃÀÍÈÇÌÈ
È ÎÊÎËÍÀ ÑÐÅÄÀ
Ë.
Äèìèòðîâà, Â. Êúñîâñêè, È. Öâåòêîâà, Ñ. Ìèõàéëîâà, Í.
Èâàíîâ, Ã. Ãëóõ÷åâ, Õ. Íàéäåíñêè
23-32
III.
ÒÅÕÍÎËÎÃÈÈ ÇÀ ÏÐÅ×ÈÑÒÂÀÍÅ
Áèîðàçãðàæäàíå íà 1,2-äèáðîìåòàí
îò êëåòêè íà ùàìà Klebsiella Oxytoca
VA 8391
Å. Âàñèëåâà,
Â. Áåøêîâ, Ö. Ïúðâàíîâà-Ìàí÷åâà
33-37
Ìåòîä
çà ñòàáèëèçèðàíå íà óòàéêè îò ïðå÷èñòâàòåëíè ñòàíöèè è
îïîëçîòâîðÿâàíåòî èì â ïðàêòèêàòà
E. Çëàòàðåâà,
Ñ. Ìàðèíîâà, Ì. Áàíîâ, Â. Ãåîðãèåâà
38-45
Îöåíêà
íà äúëáîêîâîäíîòî çàóñòâàíå íà îòïàäú÷íè âîäè îò òî÷êîâ åìèòåð
â Áóðãàñêè çàëèâ
À.
Ñèìåîíîâà, Ò. Æåêîâà, Í. Íèêîâ
46-55
IV.
ËÅÑÎÁÈÎËÎÃÈß
Ðàçïðîñòðàíåíèå,
ñòðóêòóðà
è âúçîáíîâÿâàíå íà ñìúð÷îâè ãîðè íà Âèòîøà ïëàíèíà
Á. Õðèñòîâà,
Í. Ñòîÿíîâà
56-63
V.
ÌÎÄÅËÈÐÀÍÅ ÍÀ ÅÊÎÑÈÑÒÅÌÈ
Ñèìóëàöèîíåí ìîäåë íà
õèäðîäèíàìè÷íè ïàðàìåòðè â ñåâåðîçàïàäíàòà ÷àñò íà Áóðãàñêè çàëèâ
Ò. Æåêîâà 64-72
VI. ÂÅÈ
È ÁÈÎÃÎÐÈÂÀ
Èçñëåäâàíå âëèÿíèåòî íà
óëòðàçâóê ïðè àíàåðîáíà áèîäåãðàäàöèÿ íà îòïàäú÷íè ïëîäîâå è çåëåí÷óöè
È.
Ñèìåîíîâ, Ä. Äåí÷åâ, Â. Õóáåíîâ, Ñ. Ìèõàéëîâà, Å. ×îðóêîâà 73-80
VII.
ÍÀÓ×ÍÈ ÔÎÐÓÌÈ
Ñâåòîâåí
ãîðñêè ôîðóì
À. Àëåêñàíäðîâ
81
Äåâåòè áàëêàíñêè êîíãðåñ íà
ìèêðîáèîëîçèòå
Ä. Äåí÷åâ
82
Íàó÷íî-òåõíè÷åñêàòà
êîíôåðåíöèÿ ñ ìåæäóíàðîäíî
ó÷àñòèå „Åêîëîãèÿ è çäðàâå” 2016, Ïëîâäèâ
84
Åêîëîãè÷íè
âúçäåéñòâèÿ è ïîñëåäñòâèÿ îò íàâîäíåíèÿ â ðàéîíà íà ð.
Ìàðèöà ÷ðåç èçïîëçâàíå íà ñïúòíèêîâè, GPS è íàçåìíè äàííè çà ïåðèîäà 2005 – 2014 ã.
Íàòàëèÿ
Ñòàíêîâà, Èâà
Èâàíîâà, Íàäÿ Ïàâëîâà, Ðóìåí
Íåäêîâ, Ìàðèàíà
Çàõàðèíîâà
Environmental
effects and consequences of floods in the region of
Maritsa river during the period 2005 – 2014 by using
satellite, GPS and terrestrial data
Nataliya Stankova, Iva Ivanova,
Nadya Pavlova, Roumen Nedkov, Mariana Zaharinova
Abstract. The aim of this
study is monitoring of environmental impacts after the flood
from 2005 in the region of
Keywords: flood,
consequences, satellite data, remote sensing, GIS
ÅÊÎËÎÃÈ×ÅÍ ÌÎÍÈÒÎÐÈÍà ÏÐÈ
ÂÚÇÑÒÀÍÎÂßÂÀÍÅ ÍÀ ÂËÀÆÍÈ ÇÎÍÈ Â ÐÀÉÎÍÀ ÍÀ ÊÀÐÈÅÐÍÈ ÅÇÅÐÀ
Êàìåëèÿ Ðàäåâà
ENVIRONMENTAL MONITORING ON
WETLANDS RESTORATION IN THE AREA OF QUARRY LAKES
Kameliya Radeva
Abstract. The main purpose of the
report is to represent basic stages of activities during
implementation of projects related to wetland restoration. The
report describes the basic steps and methods for data
collection, survey of the study area – wetland type, data
generating, internal monitoring implementation and
effectiveness of restoration activities evaluation. The
specific objective of the report is to analyze the importance
of GIS applications in the process of environmental monitoring
for sustainable restoration of wetland habitats.
The main
activities are grouped as follows: feasibility studies,
restoration activities design, restoration activities
implementation (technical and biological restoration of
habitats and species), reintroduction of
rare flora and fauna types of European importance. Decision making on applying of suitable measures referring
to activities under technical and biological habitats and
species restoration will be underlined. The issue on
correlations between implemented preliminary studies, suitable
design solutions based on real results and
restoration/construction works in environmental projects
management has been investigated. Afforestation activities and fishing campaigns will be revised
as part of biological restoration of habitats and species.The information
of this report has innovative character as it presents methods
of environmental monitoring on wetland restoration projects.
The results that demonstrate the effectiveness of applying
environmental monitoring and validate the successful
implementation of a certain wetland recovery process are
presented in the report.
Key words: wetlands,
biological restoration, satellite data, GPS, habitats,
environmental monitoring
ÁÀÊÒÅÐÈÖÈÄÅÍ ÅÔÅÊÒ ÍÀ
ÅËÅÊÒÐÎÕÈÌÈ×ÅÑÊÈ ÀÊÒÈÂÈÐÀÍÀ ÂÎÄÀ ÂÚÐÕÓ ÀÅÐÎÁÍÀÒÀ ÁÀÊÒÅÐÈÀËÍÀ
ÏÎÏÓËÀÖÈß ÍÀ ÁÈÎØËÀÌ
Ëþäìèëà Äèìèòðîâà, Âåñåëèí
Êúñîâñêè, Èâà Öâåòêîâà, Ñíåæàíêà Ìèõàéëîâà, Íèêîëàé Èâàíîâ,
Ãåîðãè Ãëóõ÷åâ, Õðèñòî Íàéäåíñêè
BACTERICIDAL
EFFECT
OF ELECTROCHEMICALLY ACTIVATED WATER ON THE AEROBIC
BACTERIAL POPULATION OF DIGESTATE
Lyudmila
Dimitrova, Vesselin Kussovski, Iva Tsvetkova, Snejanka
Mihaylova, Nikolay Ivanov, Georgi Gluhchev, Hristo Najdenski
Abstract.
In the
recent years, electrochemically activated water (ECAW) is
considered as an alternative disinfectant used for the
decontamination of objects of clinical practice and the
environment. Low percentage of aqueous solution of sodium
chloride and an electrolytic cell was used for its
preparation. The main advantages
of ECAW than traditional disinfectants are its high
microbicidity, easier and cheaper preparation, and the safety
for the treated objects. Despite its high acidity, it is
gentle to the surface of inorganic or organic nature. The possibility for decontamination of
digestate obtained in the process of biogas production is
examined in the recent paper. The optimal conditions for the
impact of ECAW on the available in the digestate aerobic
bacteria leading to their killing like the duration of
treatment, the ratio of digestate and activated water, and the
influence of substances of digestate on the bactericidal
effect of ECAW are determined. There is
a reduction of the number of Gram-negative bacteria with log 4
after two-hour treatment at a ratio of 1:3 digestate:activated
water, as well as complete elimination of the microbial
population (Gram-positive and Gram-negative aerobic bacteria)
under the same conditions after a pre-diluting the digestate
in ratio 1: 100 and 1: 1000. ECAW completely eliminates
methicillin resistant Staphylococcus aureus (MRSA) and
Escherichia coli in experiments in vitro with sterile
filtrate of the digestate. The results indicate the prospects
of the ECAW application for treatment of digestate and its
possible use as a fertilizer in agriculture.
Keywords:
digestate, electrochemically activated water (ECAW), aerobic
bacteria, bactericidal effect
ÁÈÎÐÀÇÃÐÀÆÄÀÍÅ ÍÀ
1,2-ÄÈÁÐÎÌÅÒÀÍ ÎÒ ÊËÅÒÊÈ ÍÀ ÙÀÌÀ KLEBSIELLA OXYTOCA VA 8391
Åãåíèÿ Âàñèëåâà, Âåíêî Áåøêîâ, Öâåòîìèëà
Ïúðâàíîâà-Ìàí÷åâà
BIODEGRADATION OF
1,2-DIBROMOETHANE BY KLEBSIELLA
OXYTOCA VA 8391 STRAIN
Evgenia Vasileva, Venko Beschkov, Tsvetomila
Parvanova-Mancheva
Abstract.
1,2-Dibromoethane is widely used in practice as pesticide and
anti-knocking mains for engines. However, it is very toxic and
therefore too dangerous for the environment. Its biodegradation
passes through very toxic intermediates (e.g.
bromo-acetaldehyde) and that is why the complete biodegradation
is not observed. In the present study comparative biodegradation
was carried out by the strain Klebsiella oxytoca VA
8391 with and without presence of NaCl. In both cases cell
growth was observed initially followed by quick death of the
biomass at the end of processes. In the presence of NaCl,
complete degradation of 1,2-dibromoethane was attained along
with the release of stoichiometric quantity of bromide. This
fact is an evidence for the full degradation of the substrate to
glycolic acid and mineralization. In the absence of NaCl the
biodegradation of 1,2-dibromoethane stops when only one bromide
ion is detached, i.e. the biodegradation stopped only to the
formation of bromoacetaldehyde and bromo-acetic acid at the
process end.
Key words:
1,2-Dibromoethane, Klebsiella
oxytoca VA 8391,
bromoacetaldehyde, bromide ions
ÌÅÒÎÄ ÇÀ ÑÒÀÁÈËÈÇÈÐÀÍÅ ÍÀ ÓÒÀÉÊÈ ÎÒ Ïðå÷èñòâàòåëíè ñòàíöèè È ÎÏÎËÇÎÒÂÎÐßÂÀÍÅÒÎ ÈÌ Â
ÏÐÀÊÒÈÊÀÒÀ
Eëåíà
Çëàòàðåâà, Ñâåòëà Ìàðèíîâà, Ìàðòèí Áàíîâ, Âåñåëêà Ãåîðãèåâà,
Stabilization
methods
sewage sludge FROM Wastewater
plant treatment station
and USE in
practice
Elena
Zlatareva, Svetla
Marinova, Martin
Banov, Veselka
Georgieva
Abstract: The
large amount of sludge generated in Wastewater plant treatment
station (WWTP) and
lack of slug fields for their stabilization have
conducted this study. It is used sludge from WWTP Stara Zagora
treated with 15, 20 and 30% fine and coarse lime /CaO/. The sludges were analyzed
before and after treatment with lime in agrochemical, chemical
and microbiological parameters and content of
organic pollutants as required by the law. It was found that the most effective treatment
was with 20% fine lime of the dry substance of the sludge. Treatment of sludge with lime does not have a
negative effect on their chemical and agrochemical
characteristics.
Keywords: sewage sludge, decontamination, lime
Àííà Ñèìåîíîâà, Òàòÿíà
Æåêîâà, Íèêîëàé Íèêîâ
ASSESSMENT OF THE DEEP WASTEWATER DISCHARGE FROM POINT
EMITTER INTO
Anna Simeonova,
Tatyana Zhekova,
Nikolai
Nikov
Abstract: In the present
study was investigated the reduction of pollutants’
concentrations in the wastewater
of “Elenite” Waste Water Treatment Plant (WWTP) for 2013
year after deep water discharge in Burgas Bay, based on
mathematical approach. For that
purpose data of the wastewaters’ quantities and physico -
chemical characteristics for 2013 were used, as well as some
hydro - chemical characteristics of the
Key words: wastewater,
point emitter, deep discharge,
ÐÀÇÏÐÎÑÒÐÀÍÅÍÈÅ,
ÑÒÐÓÊÒÓÐÀ È ÂÚÇÎÁÍÎÂßÂÀÍÅ ÍÀ ÑÌÚÐ×ÎÂÈ ÃÎÐÈ ÍÀ ÂÈÒÎØÀ ÏËÀÍÈÍÀ
Áèëÿíà Õðèñòîâà,
Íàäåæäà Ñòîÿíîâà
DISTRIBUTION,
STRUCTURE AND REGENERATION OF
NORWAY SPRUSE FORESTS IN VITOSHA MOUNTAIN
Biljana Hristova,
Nadezhda Stoyanova
Abstract: The
allocation, structure and regeneration of the most distributed
coniferous species Picea
abies (L.) Karsten in Nortwestern part of Vitosha Mountain
were studyed.
It is described the distribution of spruce forests according to
altitude, age structure, conopy and other characteristics. On
the basis of the data collected, follows that in investigated region
Norway spruse (Picea abies
(L.) Karst.) is formed clean on composition and mix
dendrocoenoses with different participation in theirs
composition of Fagus
sylvatica L., Abies
alba Mill., Pinus
sylvestris L.and some other spesies. The distribution and
regeneration of the forests are conditioned mainly by natural
conditions, biological peculiarities and ecological demands of
the tree species. The article introduce some importantly
research aspects about the ecology, site conditions and
regeneration of Norway spruse forests in Vitosha Mountain.
Key words: Norway spruse,
ecology, climate, state, regeneration
Òàòÿíà Æåêîâà
Simulation
model of the hydrodynamic parameters NORTHWEST Bourgas Bay
Tatiana Zhekova
Abstract: Marine and ocean
beaches are exposed to the complex action of the lithosphere,
atmosphere and hydrosphere. One of the major environmental
factors that determine sustainable development of coastal
zones is the hydrodynamics. The main hydrodynamic parameters
that influence the beaches and coastal facilities are
currents. The article dealt with the methods and means to
develop a simulation model of the hydrodynamic parameters in
the Northwestern part of the
Kay words: simulation model,
hydrodynamic parameters, currents, wind, Geography
Informational System
È. Ñèìåîíîâ, Ä.
Äåí÷åâ, Â. Õóáåíîâ, Ñ. Ìèõàéëîâà, Å. ×îðóêîâà
STUDY OF THE INFLUENCE OF ULTRASOUND ON THE
ANAEROBIC DIGESTION OF WASTED FRUITS AND VEGETABLES
I.Simeonov, D. Denchev, V. Hubenov, S. Mihajlova,
Abstract. In biological experiments, treatment with
ultrasound (
The aim of this paper was to study the effect of
treatment of the culture, containing the biological agent -
microbial community and a mixture of wasted fruits and
vegetables (WFV) as a substrate with US with power up to 120 W
and frequency of 28 kHz.
The experiments were conducted in two identical
laboratory bioreactors with working volumes of 2 liters
working volume in a continuous mode. The bottom flange of the
first bioreactor was bonded to ultrasound emitter. The temperature was kept constant (34 ± 0.5 ºC).
Samples were taken from the outgoing substance for conducting
biochemical and microbiological analyses in compliance with
all requirements for anaerobic conditions. Daily measurements were performed of the yield of
biogas. The effect of US
on the yield of biogas and the degree of biodegradation were
examined in two different versions:
In the
first one – the influence of power and time of the sound
effect on the formation of biogas from acetate was followed,
and in the second – sound with optimum amplitude of the US
(determined in the first case) to study its effects on all the
populations involved in the AD of WFV, at criterion maximizing
the biogas yields.
Key words: ultrasound,
anaerobic digestion, laboratory experiments, biogas production