Effects of a Systemic Pesticide Along an Aquatic Tri-Trophic Food Chain
Effects of a Systemic Pesticide Along an Aquatic Tri-Trophic Food Chain
复制标题
内吸性农药对水生三营养食物链的影响
DOI：
10.1007/s00128-019-02696-w
复制
发表时间：
2019
影响因子：
2.7
通讯作者：
Lima-Fernandes
中科院分区：
文献类型：
--
作者：
Lima-Fernandes
内吸农药，如烟碱类杀虫剂，可通过受污染的植物材料进入水生生态系统，这是碎屑（棕色）水生食物网的基础。为了示范性地评估对捕食者水平的间接影响，我们首先将吡虫啉污染和未污染的桤木叶提供给石首鱼切碎机Protonemurasp。72 h后切碎机的生存，叶片分解，体长和生物量都在20%和50%之间，低于未受污染的条件下，与未受污染的条件相比，吡虫啉暴露，表明生理影响。随后，这些碎纸机提供作为猎物的石掠食者（Isoperlasp。被关在溪流中的笼子里捕食生物量和长度分别下降了11%和4.3%，当喂食暴露于吡虫啉的猎物。因此，我们的研究表明，植物材料与系统性农药污染时，捕食切碎机消耗这样的叶子，这值得进一步考虑这一途径的水生捕食者产生不利影响。
Systemic pesticides, such as the neonicotinoid imidacloprid, can be introduced into aquatic ecosystems through contaminated plant material, which is the basis for detrital (brown) aquatic food-webs. With the aim of exemplarily assessing for indirect effects on the level of predators, we first offered imidacloprid contaminated and uncontaminated alder leaves to the stonefly shredderProtonemurasp. for 72 h. Shredder survival, leaf decomposition, body length and biomass were all between 20% and 50% lower under imidacloprid exposure compared to uncontaminated conditions, indicating physiological implications. Subsequently, these shredders were provided as prey to stonefly predators (Isoperlasp.) kept in cages in a stream. Predator biomass and length decreased by up to 11% and 4.3%, respectively, when feeding on imidacloprid exposed prey. Our study hence suggests that plant material contaminated with systemic pesticides can exert adverse effects in aquatic predators when preying on shredders consuming such leaves, which warrants a further consideration of this pathway.
登录
查看更多内容
影响因子：
4.6
作者：
Englert D;Zubrod JP;Pietz S;Stefani S;Krauss M;Schulz R;Bundschuh M
通讯作者：
Bundschuh M
影响因子：
8.8
作者：
Philipp Uhl;Roman Bucher;R. Schäfer;M. Entling
通讯作者：
Philipp Uhl;Roman Bucher;R. Schäfer;M. Entling
沿溪流资源梯度的无脊椎动物食物网
影响因子：
2.7
作者：
E. Rosi;J. Bruce;Wallace
通讯作者：
Wallace
影响因子：
2.4
作者：
G. Wiggins;E. Benton;J. Grant;Marie Kerr;P. Lambdin
通讯作者：
P. Lambdin
影响因子：
2.7
作者：
Baas, Jan;Kooijman, Sebastiaan A. L. M.
通讯作者：
Kooijman, Sebastiaan A. L. M.