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揭秘广东“外来客”!这些“不速之客”有点“横”
Nan Fang Nong Cun Bao· 2025-07-10 11:03
Core Viewpoint - The article discusses the issue of invasive species in Guangdong Province, highlighting their ecological impact and the need for effective control measures [4][39]. Invasive Species Overview - Guangdong is one of the regions in China with the highest number of invasive species, with hundreds identified that threaten local ecosystems and agricultural safety [4][5]. - Invasive species can damage crops, outcompete native plants, and disrupt ecological balance due to the absence of natural predators [5][6]. Specific Invasive Species 1. Pomacea canaliculata (Golden Apple Snail) - Originally from the Amazon basin, this species was introduced to China in the 1980s and has rapidly spread in Guangdong's rice fields [10][11]. - It has a high feeding rate, consuming up to 40% of its body weight daily, primarily targeting young rice seedlings and vegetables, which severely affects crop emergence rates [12]. - The reproductive capacity is significant, with each snail capable of laying 200-1000 eggs multiple times a year, making control efforts challenging [13][15]. 2. Mikania micrantha (Mile-a-Minute Vine) - This perennial vine, native to Central America, has spread widely in Guangdong, particularly in forested areas and orchards [20][21]. - It grows rapidly, extending over 20 cm per day, and can smother native plants, leading to their death and causing severe ecological damage [22][24]. 3. Bidens pilosa (Spanish Needle) - Originally from tropical America, this species is now common in Guangdong's farmland and wastelands [29][30]. - It has strong adaptability and prolific reproduction, competing with crops for light, water, and nutrients, which can hinder agricultural productivity [31][32]. Control Measures - The article emphasizes the importance of public participation in controlling invasive species and provides specific strategies for managing the highlighted species [37][39]. - For Pomacea canaliculata, methods include manual collection and the use of specific pesticides while adhering to safety regulations [18][16]. - For Mikania micrantha, mechanical removal and targeted herbicide application are recommended to prevent its spread [26][28]. - For Bidens pilosa, early removal before flowering and the use of selective herbicides are suggested to minimize its impact on crops [34][36].
丰山集团: 江苏丰山集团股份有限公司相关债券2025年跟踪评级报告
Zheng Quan Zhi Xing· 2025-06-26 16:16
Core Viewpoint - Jiangsu Fengshan Group Co., Ltd. maintains an AA- credit rating with a stable outlook, reflecting its strong product structure and customer quality, despite facing challenges in profitability and industry conditions [4][9]. Company Overview - The company primarily engages in the research, production, and sales of pesticide active ingredients, formulations, and fine chemical intermediates [11]. - The fine chemical segment has entered trial production, enhancing the company's product chain and competitiveness [6][11]. Financial Performance - Total assets as of March 2025 are 27.81 billion, with equity attributable to shareholders at 15.91 billion [4]. - Revenue for 2023 is reported at 3.22 billion, a decline from 10.44 billion in 2022, with a net profit of 0.15 billion, recovering from a loss of 0.42 billion in 2022 [4][5]. - The company’s operating cash flow has been negative, indicating challenges in cash generation [4]. Industry Environment - The pesticide industry is currently at a cyclical low, with a projected slight decline in revenue for 2024, while the net profit is expected to remain a loss of 0.39 billion [6][9]. - The global pesticide market is expected to grow from 790.6 billion in 2024 to 1,185.1 billion by 2031, driven by increasing food demand and pest control needs [14]. Risks and Challenges - The company faces risks related to the commercialization of sodium-ion electrolyte products, which are not progressing as expected, leading to underutilization of production capacity [7][8]. - Environmental and safety production risks are heightened due to stricter regulations in the chemical industry [8][9]. Market Position - The company has a competitive edge in its core pesticide products, with significant market share in active ingredients like Fluorochloromethane and Quinclorac [15][16]. - The sales concentration remains low, with a diverse customer base, reducing dependency on a few clients [19]. Future Outlook - The credit rating agency maintains a stable outlook for the company, anticipating gradual recovery in market demand and pricing for its main products [9][12]. - The company is actively managing inventory and production to align with market conditions, indicating a strategic approach to navigating current challenges [19].