Gabrielian is the author of the first List of rare and endangered plants of Armenia (1979), second edition of Red Data Book (1988) and author and scientific advisor of the last publication of The Red Book of Armenia (2010). Other works include: Nature protection in Armenia (1988), essays on all the protected territories of Armenia, in the book Reserves of the Caucasus (1990). In the 1980s, together with A. L. Takhtajan, she organized a series of speeches on television, radio and in the all-Union press to prevent the construction of a pumped storage power plant on the territory of the Khosrov Reserve. She took contributed to the set up of the Erebuni Reserve. She prevented the Artanish Reserve from being transferred to management under the military unit of the Ministry of Defense of Armenia, where it would have been used to construct a military facility. Since 2002, she has been a consultant in the two major organizations for nature protection: The Foundation for the Preservation of Wildlife and Cultural Assets (FPWC) and WWF participating in numerous projects on the study, conservation and sustainable use of natural resources of Armenia. In 2016, in collaboration with O. Fragman-Sapir and K. Manvelyan, the book Green Armenia was published with notes and illustrations of representatives of Armenian flora.