List of Articles food chain Open Access Article Abstract Page Full-Text 1 - Evaluation of heavy metal accumulation in aquatic species (carp, salmon, trout, barred mackerel fishes and, marine and fresh shrimps) Zahra Khoshdouni farahani Open Access Article Abstract Page Full-Text 2 - Concentration of cadmium, zinc and manganese in root, stalk and leaf of spinach and tomato in Hamedan A. Ghobadi A. Jahangard Open Access Article Abstract Page Full-Text 3 - DYNAMIC COMPLEXITY OF A THREE SPECIES COMPETITIVE FOOD CHAIN MODEL WITH INTER AND INTRA SPECIFIC COMPETITIONS N. Ali Santabrata Chakravarty Open Access Article Abstract Page Full-Text 4 - Risk Assessment of Contamination of Soil, Water and Plants to Arsenic in Pistachio Orchards of Kerman Province, Iran Simin Yazdanpanah-ravari Hossein Heidari Sharifabad Hossein Abbaspour Alireza Iranbakhsh 10.22034/jon.2021.1917726.1102 Open Access Article Abstract Page Full-Text 5 - Accumulation of Heavy Metals in House Sparrow Species in The Parks of Tehran City Ana Esmaili Shahrzad Khoramnejhadian Bahman Shams Esfandabad Saeed Reza Asemi Zavareh