Articles 2021:
1. Rassim KHELIFA, Hayat MAHDJOUB, Affef BAALOUDJ, Robert A. Cannings & Michael  J. Sam (2021). Effects of both climate change and human water demand on a highly threatened damselfly. Scientific Reports, Volume: 11, issue: 1, pages: 7725.  ISSN: 2045-2322.
2. Rassim KHELIFA, Hayat MAHDJOUB, Affef BAALOUDJ, Robert A. Cannings & Michael  J. Sam (2021). Remarkable Population Resilience in a North African Endemic Damselfly in the Face of Rapid Agricultural Transformation. Insects, Volume: 12, issue: 4, pages: 353. ISSN: 2075-4450.
3. Samia OUARAB, Affef BAALOUDJ, M. AOUAR-SADLI, F. MEDJDOUB-BENSAAD and Abdelkader DJOUAMAA (2021). Diversity of ectoparasites and their pathogens in birds (Passeriformes and Columbiformes) in Bouinan region (Blida - Algeria). Ecology, Environment and Conservation, Volume: 27, Issue: 1, Page: 253-260. ISSN: 0971-765X.
4. Faycal CHAHROUR, Affef BAALOUDJ, Saliha DERMECHE, Ahmed KERFOUF (2021). Trace Metals (Cu, Cd, Pb, Zn, and Ni,) Concentrations in the Sea Cucumber Holothuria tubulosa (Gmelin, 1791) of the Algerian West Coast.  Egyptian Journal of Aquatic Biology & Fisheries, Volume: 25, Issue: 3, pages: 619 – 633. ISSN: 1110-6131, E-ISSN: 2536-9814.
5. Abdelhakim ROUIBI, Affef BAALOUDJ, Faycal CHAHROUR, Ahmed KERFOUF, Hadia RIZI, Rafik BERDJA, Widad  BELKHIRI, Sara CHAIB and Meriem GHARBI (2021). Characterization and diversity of macro invertebrates of the Bouhamdane Stream (northeast of Algeria). Zoology and Ecology, Volume: 31, Number: 1, pages: 45-52, ISSN: 2165-8013.
6. Alaa Ali HUSSEIN, Affef BAALOUDJ, BENHAMICHE-HANIFI, Nassima LASSOUANE, Riadh MOULAÏ (2021). Does Seabird Guano Affect Plant Physiology In Insular Ecosystem?. Studia Universitatis “Vasile Goldiş”, Seria Ştiinţele Vieţii, Volume: 31, issue: 1, pages: 11 – 22. ISSN: 1584-2363, E-ISSN: 1842-7863.
7. Ahmed KERFOUF, Affef BAALOUDJ, F. KIES, K. BELHADJ TAHAR, F. DENIS (2021). Inventory of annelida polychaeta in gulf of Oran (western Algerian coastline). Zoodiversity, Volume: 55, issue: 4, pages: 307–316.  ISSN: 2707-725X/ E-ISSN: 2707-7268.
8. BENSOUILAH Soufyane, LAZLI Amel, BENSAKHRI Zinette, ZEBSA Rabah,, AMARI Hichem, YOUCEFI Abdeldjalil & HOUHAMDI Moussa (2021). Variation in life history traits of the Sahara frog (Pelophylax saharicus) with elevation and predation in Northeast Algeria. Zoology and Ecology, Volume: 31, Issue: 1 pages: 8-14. ISSN: 2165-8013.
9. K. BELHADJ TAHAR, Affef BAALOUDJ, A. KERFOUF, M.A. BENALLAL, F. DENIS (2021). Macrobenthic fauna of the coastal sea beds of Oran's Gulf (Western Algeria). Ukrainian Journal of Ecology, Volume: 11, Issue: 4, pages: 1-4. ISSN: 2520-2138.
10. Alaa Ali HUSSEIN, BENHAMICHE-HANIFI, Affef BAALOUDJ and Riadh MOULAÏ (2021). Does Seabird Colony Size Determine The Physiochemical Properties Of Island Soils?. Ekológia (Bratislava), Volume: 40, Issue: 3, pages: 267-275. ISSN:  1337-947X.
11. S. HELLAL, F. BENNABI, Affef BAALOUDJ, A. KERFOUF (2021).  Checklist of the Marine Macroalgae of Algerian West Coast (Ain Témouchent site). Ukrainian Journal of Ecology, Volume: 11, Issue: 3, pages: 22-25. ISSN: 2520-2138.
12. A. MANSOURI, Affef BAALOUDJ, F. TOUMI, M.A. BOUZIDI, A. KERFOUF (2021). Checklist of Benthic Marine Macroalgae in Western Algeria. Ukrainian Journal of Ecology, Volume: 11, Issue: 3, pages: 40-45. ISSN: 2520-2138.
13. BOUALI, N.  BAALOUDJ Affef, TOUARFIA, M.  HOUHAMDI, I.  MAAZI, M. C.  HOUHAMDI M (2021). Ecology, phenology and wintering behavior of Anatidae in the wetlands of Souk–Ahras (north–eastern Algeria). Arxius de Miscel·lània Zoològica, Volume: 19, issue: 02, pages: 135-149. ISSN: 1698-0476.
14. Assia KHALED, Hind FENGHOUR, Mouslim BARA, Sadek ATOUSSI, Meriem ROUAIGUIA, Asma REGGAM, Ines HOUHAMDI, Mohamed-Laid OUAKID and Moussa HOUHAMDI (2021). On the breeding phenology of the common housemartin Delichon urbicum Guelma city (northeast of Algeria). Bulletin de la Société Zoologique de France, Volume : 146, issue : 03, pages : 123-127.  ISSN : 0037-962X.
15. ATOUSSI Sadek, RAZKALAH Imane, ZEBSA Rabah, BENSAKHRI Zinette et BARA Mouslim (2021). Opportunistic citizen science data could be a faster and more efficient way to detect and monitor the spread of invasive species especially in developing countries:  The case of harlequin ladybird Harmonia axyridis in Algeria. Research Square, pages: 1-7.
16. HENNOUNI Mohamed Amine, ZEBSA Rabah, BENSAKHRI Zinette,  YOUCEFI Abdeldjalil, BARA Mouslim, ATOUSSI Sadek, DJEKOUNE Mohammed, SAHEB Menouar & Moussa HOUHAMDI (2021).  Abundance and Diurnal Time Activity Budget of the Threatened Species White Headed Ducks (Anatidae: Oxyura Leucocephala) In an Unprotected Area Boussedra Marshe, Northeast Algeria. Ekologia Bratislava, Volume: 40, numéro: 4, pages: 384-391. ISSN: 1335-342X.
Articles 2020:
1. BAALOUDJ Affef (2020). Aspects of life history of the Afrotropical endangered Acisoma inflatum (Selys, 1889) (Anisoptera: Libellulidae) in Northeast Algeria. Annales de la Société Entomologique de France, Volume: 56, numéro: 2, pages: 180-188. ISSN : 0037-9271
2. K. MEZIANE, A. KERFOUF & BAALOUDJ Affef (2020). Checklist of gastropod molluscs in west coast of Algeria. International Journal of Aquatic Biology (IJAB), Volume: 8, numéro: 3, pages: 224-227. ISSN: 2383-0956, E-ISSN: 2322-5270.
3. Affef BAALOUDJ, S. OUARAB, A. KERFOUF, M. BOURIACH, A. Ali HUSSEIN, C. HAMMANA, H. N’diaye DJENEBA (2020). Use of macro invertebrates to assess the quality of Seybouse River (North-East of Algeria). Ukrainian Journal of Ecology, Volume: 10, numéro: 4, pages: 60- 66. ISSN: 2520- 2138
4. M.M. HASSANI, A. KERFOUF, Affef BAALOUDJ, F. DENIS (2020). Deep see fishes Phycis blennoides (Brunnich, 1768) and Phycis phycis (Linne, 1758) parasite diversity, Ukrainian Journal of Ecology, Volume: 10, numéro: 4, pages: 86-92. ISSN: 2520- 2138.
5. S. BORSALI, Affef BAALOUDJ, A. KERFOUF (2020). Biochemical study of Ulva lactuca and Cystoseira stricta from Mostaganem coastline (Western Algeria), Ukrainian Journal of Ecology, Volume: 10, numéro: 4, pages: 116-121. ISSN: 2520- 2138.
6. A.M. BENALLAL, Affef BAALOUDJ, A. KERFOUF, M.A. BOUZIDI, K. BELHADJ Tahar (2020). Natural diet of deep-water rose shrimp in the Beni-Saf Bay (Western Algeria), Ukrainian Journal of Ecology, Volume: 10, numéro: 4, pages: 109-115. ISSN: 2520- 2138.
7. Mejda BOUKHARI BENAMARA, Maya Meriem HASSANI, Affef BAALOUDJ and Ahmed KERFOUF (2020). The parasitic fauna of Pagellus acarne (Risso, 1827) (Teleostei: Sparidae) of Béni Saf’s Bight in the West Coast of Algeria. Egyptian Journal of Aquatic Biology & Fisheries, Volume: 24, numéro: 7, pages: 593 – 605. ISSN: 1110 – 6131.