DSpace 7

DSpace is the world leading open source repository platform that enables organisations to:

easily ingest documents, audio, video, datasets and their corresponding Dublin Core metadata
open up this content to local and global audiences, thanks to the OAI-PMH interface and Google Scholar optimizations
issue permanent urls and trustworthy identifiers, including optional integrations with handle.net and DataCite DOI

Join an international community of leading institutions using DSpace.

The test user accounts below have their password set to the name of this software in lowercase.

Demo Site Administrator = dspacedemo+admin@gmail.com
Demo Community Administrator = dspacedemo+commadmin@gmail.com
Demo Collection Administrator = dspacedemo+colladmin@gmail.com
Demo Submitter = dspacedemo+submit@gmail.com

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Recent Submissions

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Основи на молекулярната биология

(Университетско издателство "Паисий Хилендарски", 2025) Яхубян, Галина

Този учебник има за цел да предостави основни знания за сложните механизми, които стоят в основата на живота на молекулярно ниво. Представени са основните концепции за ДНК, РНК и протеините — строителните блокове на живота, и за процесите на репликация, транскрипция, транслация и регулиране на експресията на гените. С акцент върху класическите експерименти и съвременните технологии, учебникът има за цел да предостави цялостно разбиране за това как молекулярната биология формира нашето познание за генетиката, клетъчните процеси и биотехнологиите. Учебникът е предназначен за студенти, които изучават биологически науки, той може да бъде използван и от студенти по медицина, както и от студенти, обучавани в биотехнологични направления.

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Морфология и систематика на насекомите

(Университетско издателство "Паисий Хилендарски", 2021) Бечев, Димитър

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Which color are you?: A pilot study on microplastic accumulation in sediments from the Bulgarian Black Sea

(Plovdiv University Press "Paisii Hilendarski", 2025-11-11) Yancheva, Vesela; Stoyanova, Stela; Georgieva, Elenka; Valkanov, Kiril

Microplastic (MP) pollution in marine sediments is an emerging environmental concern, yet data on MP color and size in the Black Sea are scarce. This pilot study analyzed sediments from five Bulgarian coastal locations. These results provide baseline information on MP color and size in Bulgarian Black Sea sediments and highlight the importance of further studies on the environmental behavior and management of colored MPs.

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Assessment of some ecosystem services in the region of Rhodope Mountain, Bulgaria

(Plovdiv University Press "Paisii Hilendarski", 2025-09-23) Petrova, Slaveya; Zlatkova, Meglena; Nikolov, Bogdan; Dakova, Megi

Human society directly depends on a number of natural products and services such as plant and animal resources, mushrooms and herbs, wood and aggregates, water for drinking and non-drinking purposes, fuels and others. For these reasons, in the last decade, intensive work has been done to deepen understanding of human dependence on natural processes at different temporal and spatial scales, as well as to search for appropriate economic and management criteria and indicators by which to measure the value of these ecosystem services. All of the above mentioned determines the relevance of the current study, related to the analysis of ecosystem services on the territory of two villages, situated into the region of the Rhodope Mountain - Brestnik and Belashtitsa, as a resource for social and ecological development. A total of 22 ecosystem services were identified, of which material ecosystem services include 9 classes, regulating and supporting services - 7 classes, and cultural services - 6 classes. These ecosystem benefits are an object of consumption and a resource for social and ecological development not only for local residents and agricultural producers, but also for visitors to the study area, which highlights their exceptional intrinsic value and the need for their conservation and sustainable use.

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A toolkit for assessing cultural ecosystem services at a community level

(Plovdiv University Press "Paisii Hilendarski", 2025-08-10) Petrova, Slaveya; Valcheva, Ekaterina; Bileva, Tatyana; Dakova, Megi

Agricultural systems provide people with multiple benefits (both commodity and noncommodity products). Agroecosystem services in this context describe the anthropogenic contribution to the generation of agroecosystem services. Agroecosystem services include a range of services from agricultural ecosystems – provisioning, regulation, maintenance and cultural services. Agroecosystem services adapt the ecologically based concept of ecosystem services to the specifics of managed agricultural ecosystems, thus making this concept more applicable to economically oriented agricultural production systems and agricultural policies. Based on their specific features and nature, it is accepted to group ecosystem services into four categories – material, regulating, supporting and cultural. The majority of benefits from the group of cultural ecosystem services (e.g., leisure and recreation, aesthetic interactions, traditions and rituals) are intangible and therefore often remain undervalued by society. For these reasons, in the last decade, intensive work has been done to deepen understanding of human dependence on natural processes at different temporal and spatial scales, as well as to search for appropriate economic and management criteria and indicators by which to measure the value of these ecosystem services. In this study, we aimed to present a toolkit for assessing cultural ecosystem services provided by agroecosystems. The data obtained through the proposed toolkit can serve to shape recommendations for the sustainable management of agricultural ecosystems, protecting livelihoods and natural resources, so that agro-ecosystems can continue to deliver ES in addition to food production.