Topic Review
Nitrogen in Wetlands
Wetlands are viable sinks for nitrate and have also been identified as a source of nitrous oxide, a product of two microbially regulated processes: nitrification and denitrification. Anthropogenic expansion of nitrogen is a leading cause of the eutrophication of water bodies and may also contribute to the deterioration of the ozone layer in the stratosphere. Wetlands ameliorate the quality of water percolating through them, by retaining nutrients and sequestering carbon, and simultaneously enhancing the flora and fauna diversity of these landscapes. Among the many services these wetlands provide, they also alleviate nitrate pollution by attenuating reactive nitrogen from agricultural drainage and ensure the effective reclamation of the wastewater. 
  • 512
  • 24 May 2021
Topic Review
Agroecology-The Case of Cereals
Transformative agroecology has been recognized as a stepping stone to achieving several Sustainable Development Goals (SDGs), due to its great potential to build climate change-resilient farming systems while enhancing ecosystem services and reducing biodiversity loss. Understanding the agroecological elements that underlie the sustainability of an agroecosystem is an urgent matter, serving as the foundation for designing a truly transformative agroecosystem. 
  • 377
  • 12 May 2021
Topic Review
Parent Origin and Wolves' Conflict
We researched whether the behavior of young migrating wolves (loners), after they leave the pack, resembles parent pack (PP) behavior. Fourteen loners entering the Netherlands could be identified and genetically linked to their PPs. Like their PPs, some young wolves killed sheep and were near humans, others killed sheep and did not approach humans, while two loners were unproblematic, they did not kill sheep nor were they in proximity to humans. Thus, the PP behavior did predict loner’s behavior and human-wildlife conflicts may be similar between young wolves and their PPs. However, conflicts need not arise. To achieve that, new prevention methods are proposed to teach wolves in the PP not to approach sheep and humans. As a result, new generations may not be problematic when leaving the PP.
  • 303
  • 01 Jul 2021
Topic Review
Agriculture and Pollinator Biodiversity
Pollinator biodiversity is greatly affected by industrialized agriculture practices. Agroecological alternatives for food production must be implemented. 
  • 297
  • 22 Jul 2021
Topic Review
Diversity of Allanblackia parviflora A. Chev. in Ghana
Allanblackia parviflora A. Chev. is an indigenous tree species that are found in West African rainforest zones. It is an underutilized fruit tree species that have been targeted for improvement as part of efforts to domesticate high-value indigenous multi-purpose trees for fruit and seed production in Africa. Allanblackia has several benefits, such as providing shade, timber, and medicine; however, the production of edible oil from its seeds is the economically most important use. There is evidence that the Allanblackia seed oil, which is used for cooking, the production of margarine and the manufacturing of ointments and soap, is being developed as a new agri-business in Ghana, Nigeria, Cameroon, and Tanzania. Despite the nutritional and socio-economic importance of A. parviflora, it is still at the early stages of its domestication process.
  • 296
  • 08 Jan 2022
Topic Review
Alien Insect Species for Food and Feed
While the use of alien insect species for food and feed can help to alleviate protein shortage and provide for a more sustainable feed production, their invasive potential should be considered.
  • 294
  • 05 Jul 2022
Topic Review
Biology Conservation of Olive Ridley Marine Turtles
Marine turtles are considered to be necessary for a healthy ocean, as they have a direct impact on other species. The olive ridley (Lepidochelys olivacea) is the most abundant of all seven sea turtles, found across the tropical regions of the Atlantic, Pacific, and Indian Oceans in over 80 different countries all around the globe.
  • 246
  • 02 Aug 2022
Topic Review
Antimicrobial Mediterranean Wild Edible Plants
Mediterranean wild edible plants (MWEPs) and their antimicrobial properties have been known from ancient times, and nowadays, a growing number of people have rediscovered them as natural remedies for common infections. One of the problems concerning their use is the heterogeneity of the protocols used to extract and analyze the properties of their active principles; such heterogeneity still marks the overall set of scientific studies on MWEPs, not to mention the enormous heterogeneity that characterizes the properties of plants at the outset. We reviewed the current literature on medicinal value of Mediterranean native edible plants trying to emphasize both the weaknesses and the opportunities of these plants. The majority of the reviewed MWEPs can inhibit both Gram-negative and Gram-positive bacteria, and fungi.
  • 238
  • 24 Nov 2021
Topic Review
Opuntia (Cactaceae; Opuntioideae) Flower-Visiting Insects
Opuntia species are cacti with high ecological, economic and conservation interest in semiarid environments, particularly in Mexico. Despite the economic and cultural importance of Opuntia, there is a significant lack of knowledge about the flower-visiting insects and their taxonomic identity. Although some Opuntia species could be visited by birds such as hummingbirds, the most dominant taxonomic group of pollinators are the insects. 
  • 230
  • 19 Jan 2022
Topic Review
Medicago tunetana (Murb.) A.W. Hill
Medicago tunetana (Murb.) A.W. Hill, a perennial endemic pastoral species, grows at the canopy of Pinus halepensis Mill. plantations forest of the Tunisian Dorsal. Although M. tunetana is an interested pasture legume with its abiotic stress tolerance  rhizome production, it is a rare species and threatened to disappear because of overgrazing. Whereas, it could contribute in the agro-pastoral systems development in its native regions of Tunisian ridge.
  • 202
  • 22 Sep 2021
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